Tim Wagner – general manager of AWS Lambda and AWS IoT at AWS – talked about how AWS Lambda – and the serverless cloud it spawned – have evolved since the service’s 2014 launch.
First of all, AWS Lambda allows you to NOT think about servers. Which means you no longer have to deal with over/under capacity, deployments, scaling and fault tolerance, OS or language updates, metrics, and logging.
On the other hand, AWS Lambda lets you painlessly drop in your own code, run code in parallel, create backends, develop event handlers and data processing systems, and never pay for idle time.
In practice, AWS Lambda introduced a new serverless world, providing an event-driven scale with the flexibility of sub-second billing.
Back in November 2014, only S3, Amazon DynamoDB, and Kinesis were available for Lambda functions. Since then, plenty of other services have been integrated, like CloudFormation, SWF, CloudTrail, SES, Cognito, API Gateway, SNS, and CloudWatch. In this hands-on lab you learn how we can use the log stream functionality of CloudWatch to monitor the execution of a Lambda function.
Initially, only Node.js was supported, and Lambda functions had to be coded in JavaScript. Later, AWS added CORS support, mobile backends capabilities, sync calls and resource policies. Since this summer, new features and options have been available: Java support, S3 uploads, Tokyo region, and Alexa skills.
Blueprints from AWS partners have recently begun appearing to help you get started quickly by using sample configurations of events sources and Lambda functions.
Werner Vogels highlighted recent Lambda-related updates during his second re:Invent Keynote in Las Vegas. Here are the new features Lambda now offers:
We are definitely looking forward to getting our hands of whatever is coming next for Lambda. If you want to deepen your understanding of how Lambda works, try Cloud Academy’s Understanding AWS Lambda course and read article AWS Lambda: an introduction and practical walkthrough.
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