AWS Compute Blog

Category: Programing Language

AWS Serverless Java Container adapter

Re-platforming Java applications using the updated AWS Serverless Java Container

This post is written by Dennis Kieselhorst, Principal Solutions Architect. The combination of portability, efficiency, community, and breadth of features has made Java a popular choice for businesses to build their applications for over 25 years. The introduction of serverless functions, pioneered by AWS Lambda, changed what you need in a programming language and runtime […]

AWS Lambda service icon

Node.js 20.x runtime now available in AWS Lambda

This post is written by Pascal Vogel, Solutions Architect, and Andrea Amorosi, Senior Solutions Architect. You can now develop AWS Lambda functions using the Node.js 20 runtime. This Node.js version is in active LTS status and ready for general use. To use this new version, specify a runtime parameter value of nodejs20.x when creating or […]

Request flow for idempotent Lambda function

Implementing idempotent AWS Lambda functions with Powertools for AWS Lambda (TypeScript)

This post is written by Alexander Schüren, Sr Specialist SA, Powertools. One of the design principles of AWS Lambda is to “develop for retries and failures”. If your function fails, the Lambda service will retry and invoke your function again with the same event payload. Therefore, when your function performs tasks such as processing orders […]

Python and Node.js Lambda Layer for Chaos Injection

Building resilient serverless applications using chaos engineering

This post is written by Suranjan Choudhury (Head of TME and ITeS SA) and Anil Sharma (Sr PSA, Migration)  Chaos engineering is the process of stressing an application in testing or production environments by creating disruptive events, such as outages, observing how the system responds, and implementing improvements. Chaos engineering helps you create the real-world […]

Architecture diagram featuring adding a Resource Group of On Demand Capacity Reservations with 3 On Demand Capacity Reservations per Availability Zone.

Reserving EC2 Capacity across Availability Zones by utilizing On Demand Capacity Reservations (ODCRs)

This post is written by Johan Hedlund, Senior Solutions Architect, Enterprise PUMA. Many customers have successfully migrated business critical legacy workloads to AWS, utilizing services such as Amazon Elastic Compute Cloud (Amazon EC2), Auto Scaling Groups (ASGs), as well as the use of Multiple Availability Zones (AZs), Regions for Business Continuity, and High Availability. These […]

Debugging SnapStart-enabled Lambda functions made easy with AWS X-Ray

This post is written by Rahul Popat (Senior Solutions Architect) and Aneel Murari (Senior Solutions Architect)  Today, AWS X-Ray is announcing support for SnapStart-enabled AWS Lambda functions. Lambda SnapStart is a performance optimization that significantly improves the cold startup times for your functions. Announced at AWS re:Invent 2022, this feature delivers up to 10 times faster function startup times for […]

AWS Lambda now supports Java 17

This post was written by Mark Sailes, Senior Specialist Solutions Architect, Serverless. You can now develop AWS Lambda functions with the Amazon Corretto distribution of Java 17. This version of Corretto comes with long-term support (LTS), which means it will receive updates and bug fixes for an extended period, providing stability and reliability to developers […]


Introducing AWS Lambda response streaming

Today, AWS Lambda is announcing support for response payload streaming. Response streaming is a new invocation pattern that lets functions progressively stream response payloads back to clients. You can use Lambda response payload streaming to send response data to callers as it becomes available. This can improve performance for web and mobile applications. Response streaming […]


Serverless ICYMI Q1 2023

February 12, 2024: Amazon Kinesis Data Firehose has been renamed to Amazon Data Firehose. Read the AWS What’s New post to learn more. Welcome to the 21st edition of the AWS Serverless ICYMI (in case you missed it) quarterly recap. Every quarter, we share all the most recent product launches, feature enhancements, blog posts, webinars, […]

AWS X-Ray trace view

Introducing AWS Lambda Powertools for .NET

CloudWatch and AWS X-Ray offer functionality that provides comprehensive observability for your applications. Lambda Powertools .NET is now generally available. The library helps implement observability when running Lambda functions based on .NET 6 while reducing the amount of custom code.