AWS Open Source Blog

Cloud Custodian is an open source, cloud security, governance, and management tool that enables users to keep their Amazon Web Services (AWS) environment secure and well managed by defining policies in a YAML domain specific language (DSL). Cloud Custodian works by defining policies in a YAML file and running the defined policies against AWS accounts. […]

The recently launched Amazon Managed Service for Prometheus (AMP) service provides a highly available and secure environment to ingest, query, and store Prometheus metrics. We can query the metrics from the AMP environment using Amazon Managed Grafana, a self-hosted Grafana server, or using the HTTP APIs. In this article, we will look at how to […]

Bottlerocket is an open source, special-purpose operating system designed for hosting Linux containers, which was launched in 2020. As I delved into the Bottlerocket build system for a deeper understanding, I found it helpful to describe the system in detail (a form of rubber-duck debugging). This article is the result of my exploration and will […]

This post was contributed by Qing Lan, Carol McDonald, and Kong Zhao. With the growing interest in deep learning (DL), more users are using DL in their production environments. Because DL requires intensive computational power, developers are leveraging GPUs to do their training and inference jobs. As part of a major Apache Spark initiative to […]

Last week, Elastic announced they will change their software licensing strategy, and will not release new versions of Elasticsearch and Kibana under the Apache License, Version 2.0 (ALv2). Instead, new versions of the software will be offered under the Elastic License (which limits how it can be used) or the Server Side Public License (which […]

This post was written by Stanislav Kirdey, Lan Qing, Lai Wei, and Lu Huang. Netflix is one of the world’s largest entertainment services with over 260 million members in more than 190 countries. One of the ways Netflix is able to sustain a high-quality customer experience is by employing deep learning models in the observability […]

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 […]