AWSLambdaJavaSnapStart Alternatives

AWSLambdaJavaSnapStart reviews and mentions

• Quarkus 3 application on AWS Lambda- Part 2 Reducing Lambda cold starts with Lambda SnapStart
  2 projects | dev.to | 12 May 2025

  To ensure reliability, Lambda manages multiple copies of each snapshot. Lambda automatically patches snapshots and their copies with the latest runtime and security updates. When we call the function version for the first time and as the calls increase, Lambda continues new execution environments from the cached snapshot instead of initialising them from scratch, which improves startup latency. More information can be found in the article Reducing Java cold starts on AWS Lambda functions with SnapStart. I have published the whole series about Lambda SnapStart for Java applications.

• AWS SnapStart - Part 27 Using insights from AWS Lambda Profiler Extension for Java to reduce Lambda cold starts
  2 projects | dev.to | 1 Apr 2025

  If you don't like to use APIGatewayProxyRequestEvent SnapStart priming, please also remove the dependency to aws-lambda-java-serialization in the pom.xml as it contributes additional 4.5 MB to the Lambda deployment artifact size.

• AWS Lambda Profiler Extension for Java- Part 2 Improving Lambda performance with Lambda SnapStart and priming
  3 projects | dev.to | 26 Mar 2025

  You can find the source code in my pure-lambda-21 repo. I only updated dependencies in the pom.xml to use its recent versions.

• AWS Lambda Profiler Extension for Java- Part 1 Introduction
  5 projects | dev.to | 24 Mar 2025

  You've probably already read my article series about AWS Lambda SnaptStart and know that I like to explore SnapStart priming techniques. In the next part of this article series, I'll explain how these flame graphs gave me some ideas about how to prime even more and therefore to reduce the cold starts of the Lambda function. Stay tuned !

• AWS SnapStart - Part 26 Measuring cold and warm starts with Java 21 using different garbage collection algorithms
  1 project | dev.to | 23 Sep 2024

  The Z Garbage Collector. There are 2 different ZGC algorithms: default and the newer one- generational. You can set it explicitly in AWS SAM template by adding -XX:+UseZGC or -XX:+UseZGC -XX:+ZGenerational to the JAVA_TOOL_OPTIONS environment variable.

• Spring Boot 3 application on AWS Lambda - Part 11 Measuring cold and warm starts of Lambda function using Docker Container Image
  2 projects | dev.to | 16 Sep 2024

  AWS Lambda SnapStart which significantly reduces cold start times is currently only available for Java Corretto managed runtimes (11, 17 and 21) and not for Docker container images. You can explore jlink tool to assemble and optimize a set of modules and their dependencies into a smaller custom runtime image and Class data sharing (CDS) though which helps reduce the startup time for Java programming language applications, in particular smaller applications, as well as reduce footprint. The advantage of using the Docker Image as deployment artifact for Java is the ability to use recent Java runtime like Java 23 which will be released in September.

• AWS SnapStart - Part 25 Measuring cold and warm starts with Java 21 using Lambda layer (2)
  2 projects | dev.to | 9 Sep 2024

  In pom.xml you see all dependencies with the scope provided (by the Lambda layer attached).

• AWS SnapStart - Part 24 Measuring cold and warm starts with Java 21 using Lambda layer (1)
  1 project | dev.to | 19 Aug 2024

  In our experiment we'll use the sample application. There are basically 2 Lambda functions defined in the AWS SAM template which both respond to the API Gateway requests and retrieve product by id received from the API Gateway from DynamoDB. One Lambda function GetProductByIdWithPureJava21LambdaWithCommonLayer can be used with and without SnapStart and the second one GetProductByIdWithPureJava21LambdaAndPrimingWithCommonLayer uses SnapStart and DynamoDB request invocation priming.

• How to create an publish and use layers for Java 21 Lambda functions
  1 project | dev.to | 15 Jul 2024

  For the sake of exploration we'll use the sample application for creating the Lambda layer with Java 21 runtime packaging the following dependencies into the layer :

• AWS SnapStart - Part 23 Measuring cold and warm starts with Java 17 using asynchronous HTTP clients
  2 projects | dev.to | 27 Jun 2024

  In our experiment we'll re-use the application introduced in part 8 for this and rewrite it to use asynchronous HTTP client. You can the find application code here. There are basically 2 Lambda functions which both respond to the API Gateway requests and retrieve product by id received from the API Gateway from DynamoDB. One Lambda function GetProductByIdWithPureJava17AsyncLambda can be used with and without SnapStart and the second one GetProductByIdWithPureJava17AsyncLambdaAndPriming uses SnapStart and DynamoDB request invocation priming. We give both Lambda functions 1024 MB memory.

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  www.saashub.com | 1 Sep 2025

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