October 2011 Blog Posts (6)

Ensemble - now called Juju, Ubuntu's Cloud

Ensemble: service orchestration for the cloud (my work for Ubuntu Server)  - via Jim Baker

Jim and I spent some time…

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Added by Michael Levin on October 30, 2011 at 5:30pm — 2 Comments

OrlandoJUG October Open Spaces Meeting Rocked!

OrlandoJUG Oct 2011 meeting

We had a great time at the OrlandoJUG meeting tonight. It was an Open Spaces style meeting and a potluck dinner. We had some new faces and certainly covered interesting topics. Here are a few:

1. Cloud Computing

2. JavaOne 2011

3. Managing dev, test and production environments

4. OSGi - what it is and how…

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Added by Michael Levin on October 27, 2011 at 11:11pm — No Comments

It's all about Yandda! (an Android app)

It was in February this year that i sent this mail to a friend of mine:

 

from Buls Yusuf …
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Added by Bulama Yusuf on October 26, 2011 at 11:24am — No Comments

Good times at JCertif in the Congo

JCertif ::: in Brazzaville, Republic of Congo



Let me indulge with this photo...it was such a great time at the first JCertif and you know, you have a chance coming up in just 11 months to be a part of it again! www.jcertif.com has all the details. Check out some of the African JUGs on Codetown while you're at it.… Continue

Added by Michael Levin on October 25, 2011 at 8:00pm — No Comments

Dennis Ritchie has Died

Dennis Ritchie has died. Dennis was known as the father of the C programming language and the Unix… Continue

Added by Michael Levin on October 25, 2011 at 10:30am — No Comments

Take a peek under the covers of a website

Here's a website with open source code:

 

A cheap replacement for ching(6)

ching(6), the old amusement found in BSD 4.[234], has disappeared from the face of the net. I wanted it back. Fortunately finding the full text of the Wilhelm translation of the I Ching was easy. So was writing a program to read it.…

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Added by Michael Levin on October 9, 2011 at 2:00pm — 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

Article: From Batch to Micro-Batch Streaming: Lessons Learned the Hard Way in a Delta Index Pipeline

This article describes how a production delta-index pipeline migrated from scheduled batch to micro-batch Spark Structured Streaming. It covers why record-level streaming was rejected, how partition-based watermarks replaced fragile S3 completion markers, overlap-window correctness, and restart-as-design strategies for better predictability in object-store–based ingestion systems.

By Parveen Saini

Podcast: Roq: Leveraging Quarkus to Build Static Sites at the Speed of Go

Andy Damevin, a developer who worked on Quarkus for almost a decade, talks about Roq. A project that started as an experiment to try to see if it’s possible to build a static web site generator on top of quarkus. He touches on the rationale for choosing Java and Quarkus, how to migrate to Roq, and the platform's future.

By Andy Damevin

DoorDash Used Copilot to Convert Its XCTest-Based iOS Test Suite to Swift Testing

Using Copilot along with strong reliability safeguards, DoorDash migrated their iOS XCTest-based test suite to Swift Testing, thus modernizing a large test suite quickly, safely, and with measurable performance gains, says DoorDash engineer Matheus Gois.

By Sergio De Simone

Java News Roundup: OpenJDK JEPs, GlassFish, Spring AI, JReleaser, A2A Java SDK, Google ADK, Gradle

This week's Java roundup for April 27th, 2026, features news highlighting: OpenJDK JEPs for JDK 27; the fifth milestone release of Spring AI 2.0; the second milestone release of GlassFish 9.0; point releases of Quarkus, JReleaser, Gradle, LangChain4j and Google ADK for Java; the second beta release of Hardwood; and the first beta release of A2A Java SDK 1.0.

By Michael Redlich

Cloudflare Builds High-Performance Infrastructure for Running LLMs

Cloudflare has recently announced new infrastructure designed to run large AI language models across its global network. As these models rely on costly hardware and must handle large volumes of incoming and outgoing text, Cloudflare separates the model's input processing and output generation onto different optimized systems.

By Renato Losio

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