Category: Open Source

In the context of containerized microservices, we face the challenge of being able to tell where along the request path things happen and efficiently drill into signals. As a developer, you don’t want to fly blind and one popular way to provide these insights is distributed tracing. In this post we walk through migrating a […]

This post was contributed by Matthew Coulter, Technical Architect at Liberty Mutual. In the summer of 2019, I successfully applied for a promotion to the position of account architect at Liberty IT Solutions, a part of Liberty Mutual Group. This changed everything, as I went from being the systems architect supporting one area to an […]

Behind every successful open source project, you’ll find a real problem that needed to be solved. In this post, I will explore one such example through the backstory of the AWS Cloud Development Kit, or AWS CDK for short. A big part of this story involves the impact of the Amazon culture and our approach […]

We worked with the maintainers of the Cloudflare fork of zlib (zlib-cloudflare) to improve the decompression performance on Arm and x86. With the changes, at level 6: On Arm: Compression performance: ~90 percent faster than zlib-madler (original zlib). Decompression performance: ~52 percent faster than zlib-madler. On x86: Compression performance: ~113 percent faster than zlib-madler. Decompression […]

Testing is an essential task when building software. Testing helps improve software quality by finding bugs before they reach production. The sooner we know there is a defect in code, the easier and cheaper it is to correct. Automated tests are a central piece in reducing this feedback loop. In association with a continuous integration […]

A central part of the value proposition that the AWS Cloud Development Kit (AWS CDK) is set to deliver is the ability for developers to express their infrastructure requirements in the programming languages they are most comfortable with. The DevOps movement has blurred the line between application code and infrastructure definition, and it is only […]

Kicking off re:Invent 2020, VP of EC2 at AWS, Dave Brown, introduced an all new Amazon EC2 Mac instance. This new Amazon Elastic Compute Cloud (Amazon EC2) instance allows developers to build, test, package, and sign Xcode applications for the Apple platforms including macOS, iOS, iPadOS, tvOS, watchOS, and Safari. One common question I hear from […]

This post was co-written with Leo Di Donato, an open source software engineer at Sysdig in the Office of the CTO. Kubernetes has seen massive growth in the past few years. However, with all growth comes growing pains, and CI/CD has brought a few interesting problems to the space, especially for the open source community. […]

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. Visit the website to learn more. Over the past three weeks, re:Invent 2020 has featured hundreds of sessions across many different topics and tracks. In this third and final post of the series, we’ll share open source highlights from week three. If […]

Over the past three weeks, re:Invent 2020 has had hundreds of sessions across different topics and tracks. This is the second post of the re:Invent highlight series, covering week two open source highlights across various tracks and sessions. If you missed it, make sure you check out the first week’s highlights and week three. re:Invent […]