Lambda Function
A serverless compute service that runs code in response to events and automatically manages the underlying compute resources.
Description
AWS Lambda is a serverless computing service that allows developers to run code without having to provision or manage servers. With Lambda, you can execute code in response to various events, such as changes in data within S3 buckets, updates to DynamoDB tables, or HTTP requests via Amazon API Gateway. This event-driven architecture enables users to build applications that automatically scale with demand, as Lambda can handle thousands of requests simultaneously. Developers only pay for the compute time consumed, measured in milliseconds, which can significantly reduce costs. Lambda functions can be written in various programming languages, including Python, Node.js, Java, and C#. A typical use case might involve processing data uploaded to an S3 bucket, where Lambda can be triggered to transform the data or store it in a database. The ease of integration with other AWS services makes Lambda a powerful tool for building modern, scalable cloud applications.
Examples
- Image processing: An e-commerce application uses a Lambda function to automatically resize and optimize images uploaded to an S3 bucket.
- Real-time data processing: A financial application uses a Lambda function to analyze streaming data from Kinesis in real-time for fraud detection.
Additional Information
- Supports multiple programming languages including Python, Java, C#, and Go.
- Integrated with a wide range of AWS services, enabling seamless workflows and automation.