December 2013 Blog Posts (6)

JEE8 Survey

All,
In order to gather feedback for Java EE 8, we are running a survey.  To make it easier, we have divided it in two parts and it shouldn't really takes more than a few minutes to fill...
The 1st part is now available at …
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Added by Michael Levin on December 10, 2013 at 10:52am — No Comments

Swampcast is a Podcast from the Swamp

Did you know Swampcast has interviews with Jonathan Schwartz, former CEO of Sun Microsystems, Brion Vibber, former CTO of Wikipedia, Pandora's CEO and CTO and more? Here's the story of Swampcast:…

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Added by Michael Levin on December 10, 2013 at 10:08am — No Comments

What is node.js?

Engine Yard created an infographic that will help you learn about node.js:

 

"Node.js is a server-side framework for JavaScript that has…

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Added by Michael Levin on December 8, 2013 at 8:00am — No Comments

Magnolia - Dave Booth wants to know...

Many of you probably know Dave - he wants some feedback on Magnolia and so do I. http://www.magnolia-cms.com/product/features/overview.html It's open and full featured and I like it. WHat do you know about it?…

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Added by Michael Levin on December 7, 2013 at 9:28pm — No Comments

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Notes

Welcome to Codetown!

Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.

When you create a profile for yourself you get a personal page automatically. That's where you can be creative and do your own thing. People who want to get to know you will click on your name or picture and…
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InfoQ Reading List

Pinterest Reduces Spark OOM Failures by 96% Through Auto Memory Retries

Pinterest Engineering cut Apache Spark out-of-memory failures by 96% using improved observability, configuration tuning, and automatic memory retries. Staged rollout, dashboards, and proactive memory adjustments stabilized data pipelines, reduced manual intervention, and lowered operational overhead across tens of thousands of daily jobs.

By Leela Kumili

Presentation: Duolingo's Kubernetes Leap

Franka Passing discusses the architectural shift of Duolingo’s 500+ backend services to Kubernetes. She explains the move toward GitOps with Argo CD, the transition to IPv6-only pods, and the "cellular architecture" used to isolate environments. She shares "reports from the trenches" on managing developer trust, navigating AWS rate limits, and productionizing early adopter services.

By Franka Passing

Article: A Better Alternative to Reducing CI Regression Test Suite Sizes

How can you focus in a sea of results from a large regression test suite? This article describes a stochastic approach that relies on some degree of redundancy in your CI regression test set. This approach does not guarantee you will catch every bug every time, but it gives you your best bet of not missing the subtle signatures of all the bugs uncovered by your CI regression test suite runs.

By James Bornefelt Westfall

Podcast: Context Engineering with Adi Polak

In this episode, Thomas Betts and Adi Polak talk about the need for context engineering when interacting with LLMs and designing agentic systems. Prompt engineering techniques work with a stateless approach, while context engineering allows AI systems to be stateful.

By Adi Polak

Dynamic Languages Faster and Cheaper in 13-Language Claude Code Benchmark

A 600-run benchmark by Ruby committer Yusuke Endoh tested Claude Code across 13 languages, implementing a simplified Git. Ruby, Python, and JavaScript were the fastest and cheapest, at $0.36- $0.39 per run. Statistically typed languages cost 1.4-2.6x more. Adding type checkers to dynamic languages imposed 1.6-3.2x slowdowns. Full dataset available on GitHub.

By Steef-Jan Wiggers

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