In this article, I will discuss the Features of AWS Lambda.
AWS Lambda is a serverless computing service provided by Amazon Web Services (AWS). It allows you to run your code without provisioning or managing servers. Here are some key features of AWS Lambda.
- Serverless Computing: Lambda enables you to run your code without the need to provision or manage servers. AWS takes care of the underlying infrastructure, allowing you to focus on writing code.
- Event-Driven: Lambda is designed to be event-driven. It can be triggered by various AWS services, such as changes to data in an S3 bucket, updates to a DynamoDB table, or HTTP requests through Amazon API Gateway.
- Support for Multiple Languages: Lambda supports multiple programming languages, including Node.js, Python, Java, Go, Ruby, and .NET Core. You can choose the language that best fits your application requirements.
- Automated Scaling: Lambda automatically scales your application based on the number of requests it receives. It can handle a few requests per day to thousands of requests per second.
- No Server Management: Since Lambda is serverless, you don’t need to worry about server provisioning, monitoring, or maintenance. AWS takes care of these tasks for you.
- Granular Billing: With Lambda, you pay only for the compute time that you consume in increments of 100 milliseconds. This allows for cost-efficient execution of code, especially for sporadically used functions.
- Integrated Security: Lambda integrates with AWS Identity and Access Management (IAM) for access control. You can define IAM roles and policies to control which AWS resources your functions can access.
- Built-in Fault Tolerance: Lambda automatically replicates your code across multiple availability zones to ensure fault tolerance. If a particular availability zone fails, Lambda can still execute your code from another zone.
- Ephemeral Execution Environment: Each Lambda function execution environment is temporary and isolated. The environment is created on demand and disposed of when the function execution is complete, ensuring no residual state between executions.
- Logging and Monitoring: AWS Lambda provides built-in logging through Amazon CloudWatch. You can monitor the execution of your functions, set up alerts, and troubleshoot issues using CloudWatch Logs.
- Environment Variables: You can use environment variables to configure your Lambda function and dynamically change its behavior without modifying the code.
- Support for Custom Runtimes: In addition to the officially supported runtimes, Lambda allows you to use custom runtimes. This feature enables you to run applications written in languages not directly supported by AWS Lambda.
These features make AWS Lambda a powerful and flexible platform for building serverless applications and services.
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