AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.AWS enforces various **service limits** (also known as **quotas**) across its services to ensure fair usage and prevent abuse. These limits vary by service and can be **soft limits** (which can be increased by request) or **hard limits** (which cannot be changed).
Here’s a breakdown of some key service limits for commonly used AWS services:
### 1. **EC2 (Elastic Compute Cloud) Instances**
- **Default Instance Limit**: By default, AWS limits the number of **on-demand EC2 instances** per region.
- **General-purpose instances**: 20 per region (this includes t2, t3, m5, etc.).
- **Spot instances**: 20 per region.
- **Reserved instances**: Unlimited but subject to your commitment and upfront payment.
- **Limit Increase**: You can request an increase in your EC2 instance limit through the **AWS Support Center**. The increase isn't guaranteed and is based on your usage history and account standing.
### 2. **S3 (Simple Storage Service)**
- **Storage Limits**: There are no hard limits on the total amount of data you can store in S3.
- **Object Limit**: Each S3 bucket can store **unlimited objects**.
- **Bucket Limit**: 100 buckets per AWS account by default (you can request more).
- **Request Rate Limits**: For optimal performance, there is a guideline of up to **3,500 PUT/POST/DELETE** requests and **5,500 GET** requests per second per prefix in an S3 bucket. Exceeding this could lead to performance degradation.
### 3. **RDS (Relational Database Service)**
- **Database Instance Limits**: The default quota is **40 database instances** per region across all database engines.
- For **RDS Free Tier**, you are limited to **750 hours per month** for certain instance types.
- **Storage Limit**: Maximum allocated storage per database is up to **64 TB** for some engines like Amazon Aurora.
### 4. **Lambda (Serverless Functions)**
- **Invocation Limit**: AWS Lambda supports **1,000 concurrent executions** by default per region.
- **Request Limit**: Maximum of **6 MB** request payload size for synchronous invocations, and **256 KB** for asynchronous.
- **Memory and Timeout Limits**:
- Maximum **memory** allocation: 10 GB.
- Maximum **execution timeout**: 15 minutes.
### 5. **API Gateway**
- **Request Limit**:
- 10,000 requests per second per region.
- Burst rate limit of **5,000 requests** per second.
- These limits apply to both REST and WebSocket APIs.
- **Limit Increase**: You can request an increase in API Gateway request limits through AWS Support.
### 6. **VPC (Virtual Private Cloud)**
- **VPC Limit**: 5 VPCs per region.
- **Elastic IP Limit**: 5 Elastic IP addresses per region by default.
- **NAT Gateway Limit**: 5 per region.
- **Limit Increase**: Most VPC-related limits can be increased via AWS Support.
### 7. **CloudFront (Content Delivery Network)**
- **Distribution Limit**: 25 distributions (Web + RTMP) per account.
- **Requests**: Up to 1,000,000 requests per second globally.
- **Limit Increase**: Can be requested for more distributions or higher request capacity.
### 8. **Elastic Load Balancers (ELB)**
- **Load Balancer Limit**: 50 per region (for both Application and Network Load Balancers).
- **Target Groups Limit**: 300 per load balancer.
- **Increase**: You can request increases for both load balancers and target groups.
### 9. **IAM (Identity and Access Management)**
- **IAM User Limit**: 5,000 users per account.
- **IAM Role Limit**: 1,000 roles per account.
- **Policy Size**: Maximum of 2,048 characters per policy.
### 10. **CloudWatch**
- **Alarms**: 5000 alarms per region by default.
- **Logs**: Can store and process **any amount of log data**, but pricing will scale based on usage.
### 11. **DynamoDB**
- **Table Limits**:
- 256 tables per region.
- **Read/Write Capacity Units**: Unlimited with provisioned or on-demand mode.
- **Storage Limit**: Unlimited, but costs increase with storage use.
### 12. **Lightsail**
- **Instance Limit**:
- 20 Lightsail instances per account.
- 5 static IPs per account.
- Limits are higher with request approval.
### 13. **EBS (Elastic Block Store)**
- **Volume Limit**: 5,000 EBS volumes per region.
- **Snapshot Limit**: 100,000 snapshots per account.
- **Storage Limit**: 64 TB per EBS volume.
### How to Request a Limit Increase:
If you anticipate needing more resources than these default limits, you can:
1. **Go to AWS Support**.
2. **Submit a Limit Increase Request** via the **AWS Support Center**.
AWS evaluates the request based on your **account history, payment reliability, and intended use**. Approval is not automatic, but you can usually increase limits if you have a solid account standing.
### Summary:
While AWS allows for extensive scalability, there are initial limits on various services to ensure infrastructure stability. If you're working on a large-scale project, it's essential to request higher limits to accommodate higher workloads or concurrent users. Most limits can be increased through AWS Support, though some may remain fixed depending on the service.
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