AWS Open Source Blog

Category: Programing Language

JVM pause times chart

Introducing Heapothesys, an open source Java GC latency benchmark with predictable allocation rates

The Amazon Corretto team introduces the open source Heapothesys benchmark, a synthetic workload that simulates fundamental application characteristics that affect garbage collector (GC) latency. The benchmark creates and tests GC load scenarios defined by object allocation rates, heap occupancy, and JVM flags, then reports the resulting JVM pauses. OpenJDK developers can thus produce reference points […]

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Adopting machine learning in your microservices with DJL (Deep Java Library) and Spring Boot

Many AWS customers—startups and large enterprises—are on a path to adopt machine learning and deep learning in their existing applications. The reasons for machine learning adoption are dictated by the pace of innovation in the industry, with business use cases ranging from customer service (including object detection from images and video streams, sentiment analysis) to […]

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empty highway with clouds overhead via https://pixabay.com/photos/street-road-horizon-endless-238458/

Getting started with R on Amazon Web Services

This article is a guest post from David Kretch, Lead Data Scientist at Summit Consulting. As R workloads grow and become increasingly resource intensive, the ability to move from a local compute environment to scaleable, fully managed cloud services on Amazon Web Services (AWS) becomes extremely valuable for cost, speed, and resiliency reasons. In this two-part […]

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Clare Liguori speaking at re:Invent.

re:Cap part three – open source at re:Invent 2019

Wrapping up our final summary, we kick off with a roundup of the open source updates in the area of compute and emerging technologies. We start with a great explanation of Fargate on Firecracker from Clare Ligouri during Werner Vogel’s keynote, and proceed to a broad selection of the container sessions and workshops that ran […]

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Andy Jassy giving the 2019 re:Invent keynote.

re:Cap part one – open source at re:Invent 2019

As the dust settles after another re:Invent closes, I wanted to put together a quick summary of all the open source-related announcements that happened in the run up to this year’s re:Invent and the week itself. If you are interested in open source in mobile web development, devops, containers, security, big data and data analytics, […]

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Splitting an application’s logs into multiple streams: a Fluent tutorial

Not all logs are of equal importance. Some require real-time analytics, others simply need to be stored long term so that they can be analyzed if needed. In this tutorial, I will show three different methods by which you can “fork” a single application’s stream of logs into multiple streams which can be parsed, filtered, […]

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Amazon Corretto Duke logo.

Amazon joins the Java Community Process (JCP)

Amazon runs thousands of Java production services; both we and our customers depend heavily on  various distributions of the JDK (Java Development Kit). In 2016 we started building Amazon Corretto, our OpenJDK binary distribution, and started using it to run AWS and other Amazon services. In 2018, we open sourced Corretto and made it available […]

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.NET foundation logo.

AWS Joins the .NET Foundation

Fred Wurden, General Manager of AWS Windows and Enterprise and Norm Johanson, Senior Software Dev Engineer, AWS SDKs and Tools We’re excited to announce today that AWS is joining the .NET Foundation as a corporate sponsor. AWS has a long-standing commitment to .NET, with a decade of experience running Microsoft Windows and .NET on AWS. […]

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Amazon Corretto Duke logo.

Using GraalVM to Build Minimal Docker Images for Java Applications

Optimizing the size of Docker images has several benefits. One of these is faster deployment times, which is very important if your application needs to scale out quickly to respond to an unexpected traffic burst. In this post, I’ll show you an interesting approach for optimizing Docker images for Java applications, which also helps to […]

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The Seattle Spheres - photo by Deirdré Straughan.

Open Source News Roundup: April 22, 2019

中文版 Upcoming Events RailsConf (April 30-May 2 in Minneapolis, Minnesota) – Lounge & Lanyard Sponsor. Workshop on Going Serverless with Ruby on AWS Lambda by Alex Wood and Jingyi Chen. PyCon (May 1-9 in Cleveland, Ohio) – Platinum Sponsor. Come find us at Booth #439 to see how AWS <3 Python. Percona Live (May 28-30 […]

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