AWS SnapStart - Part 16 Measuring cold and warm starts with Java 21 using different asynchronous HTTP clients

• AWSLambdaJavaSnapStart

  16 4 9.2 Java

Using the asynchronous DynamoDBClient means that we'll be using the asynchronous programming model, so the invocation of getItem will return CompletableFuture and this is the code to retrieve the item itself (for the complete code see)

• Newman

  241 6,718 7.5 JavaScript

  Newman is a command-line collection runner for Postman

  

The results of the experiment below were based on reproducing more than 100 cold and approximately 100.000 warm starts with experiment which ran for approximately 1 hour. For it (and experiments from my previous article) I used the load test tool hey, but you can use whatever tool you want, like Serverless-artillery or Postman. I ran all these experiments for all 2 scenarios using 2 different compilation options in template.yaml each:

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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