AWS Compute Blog

This post examines how cold starts impact performance in serverless backends for web applications. It shows how the most important focus area is usually synchronous APIs called by the frontend application. I explain options available for targeting cold starts in the Lambda service.

This post demonstrates how to set up a sample application for consuming events directly from EventBridge into a custom application hosted in ECS.

This post is contributed by Andrew Pearce – Sr. Systems Dev Engineer, AWS Since launching Amazon EC2 Image Builder, many customers say they want to re-use existing investments in configuration management technologies (such as Ansible, Chef, or Puppet) with Image Builder pipelines. In this blog, I walk through creating a document that can execute an Ansible […]

This post was written by Robert Zhu, Principal Developer Advocate at AWS.  This article continues a blog I posted earlier about using Load Balancers on Amazon Lightsail. In this article, I demonstrate a few common challenges and solutions when combining stateful applications with load balancers. I start with a simple WebSocket application in Amazon Lightsail […]

In this post, I discuss focus areas for load testing of serverless applications, and highlight two tools commonly used. I show how to configure Artillery with customized functions, and how to run tests to simulate load on the Ask Around Me application.

In this post, I show how to integrate the AWS Batch CLI by AWS ParallelCluster with API Gateway.

This post is contributed by Scott Horsfield – Sr. Specialist Solutions Architect, EC2 Spot Amazon EC2 Spot Instances are spare compute capacity in the AWS Cloud available to you at steep discounts compared to On-Demand Instance prices. The only difference between an On-Demand Instance and a Spot Instance is that a Spot Instance can be […]

Web and mobile applications usually interact with a backend service, often via an API. Many front-end applications pass requests for processing, wait for a result, and then display this to the user. This synchronous approach is only one way to handle messages, but modern applications have alternatives to provide a better user experience. There are […]

An Adafruit PyPortal displaying a quote while synthesizing and playing speech using Amazon Polly. As a natural means of communication, voice is a powerful way to humanize an experience. What if you could make anything talk? This guide walks through how to leverage the cloud to add voice to an off-the-shelf microcontroller. Use it to […]

This post was contributed by: Pranav Chachra, Rob Chen, Alan Goodman AWS launched a Local Zone in Los Angeles (LA), California, in late 2019 at re:Invent. Since the launch, we have seen a lot of interest from you, and have worked to bring additional features and services based on your feedback. In this blog series, […]