Distributed software with JGroups

JGroups A distributed application, where nodes of the application communicate with each other over a LAN using UDP. Each nodes discovers other nodes automatically, when a node crashes or shuts…

Lessons learnt using JBoss 5 clustering

Last week I spent some time getting clustering to work using JBoss 5.0.0 GA. I made a few mistakes and I thought I share them – even though they were…

Scala and twitter

By stumbled on a presentation by API lead of Twitter on Scala. For a moment I hoped Twitter was developed, but the language used at Twitter is Ruby. The speaker…

Scala release

The final release of Scala 2.7.3 is out! You can download the release from the scala-download page. Some background: Scala is a elegant language that runs on the JavaVM. Unlike…

Parallel execution of SQL

The end of increasing clockspeeds The clock-speed for processors doesn’t increase anymore due to physical limits. The only way for processor-makers like Intel and AMD to increase the speed of…