Tag Archives: JVM

Java to get go-routine-like virtual threads!

Posted on June 23, 2022 by Mark Nelson

Yay! Java is finally going to get some lightweight threads, a bit like go-routines, which allow you to create threads in the JVM without each one consuming an OS thread! I’m looking forward to trying it out in Java 19. … Continue reading →

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Visualising Garbage Collection in the JVM

Posted on January 6, 2011 by Mark Nelson

Recently, I have been working with a number of customers on JVM tuning exercises.  It seems that there is not widespread knowledge amongst developers and administrators about how garbage collection works, and how the JVM uses memory.  So, I decided … Continue reading →

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Extracting Garbage Collection messages from a WebLogic Server log file

Posted on December 14, 2010 by Mark Nelson

Recently, I was doing some work on tuning Garbage Collection in a HotSpot JVM (i.e. “the Sun JVM”) underneath WebLogic Server 10.3.3.  In order to do this, I wanted to look at the Garbage Collection logs.  The JVM will produce … Continue reading →

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Recommended JVM parameters for 11g products

Posted on December 9, 2010 by Mark Nelson

I often get asked to recommend some JVM parameters for people running one (or more) of the Oracle Fusion Middleware 11g products – like BPM, SOA, UCM, WebCenter, etc. on top of WebLogic Server. Here are my current list of … Continue reading →

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Installing BPM for Developers

Posted on October 25, 2010 by Mark Nelson

If you are going to be doing development for Oracle BPM Suite 11g, you may want to install a copy of BPM on your own machine so that you can do some unit testing as you build components and composites. … Continue reading →

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