Tag Archives: jvm

Storm event processor – GC log file per worker

Posted on April 27, 2014 by

How to use a gc log file per worker of Storm event processor Continue reading →

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Posted in Big Data, Java, Software Development | Tagged , | 1 Comment

Set WildFly binding address and shutdown using CLI

Posted on December 9, 2013 by

Real example to start JBoss/WildFly on a specific IP using command line parameters and how to shutdown server using JBoss/WildFly CLI tool Continue reading →

Posted in Administration, JBoss | Tagged , | Leave a comment

Java bytecode verification is always REQUIRED

Posted on May 9, 2013 by

Never disable bytecode verification when running java as may lead you to security problems. Continue reading →

Posted in Administration, Java, Java EE | Tagged , , , , , , , | Leave a comment

Java heap space, native heap and memory problems

Posted on January 14, 2013 by

A java process is consisted of java heap space, native C-Heap space and more. What problems can you face when these two are in conflict and how can you solve them? Continue reading →

Posted in Java | Tagged , , , , , , | 2 Comments

How to identify if installed JDK is 64 or 32 bit

Posted on September 24, 2012 by

A method to identify if an installed JDK is 32-bit or 64-bit. Continue reading →

Posted in Administration, Java, Software Development | Tagged , , , , , | 2 Comments

Java Thread at RUNNABLE state is not really running

Posted on August 6, 2012 by

Which are the main reasons that even a Java thread is at RUNNABLE state it is not really running. Continue reading →

Posted in Java, Software Development | Tagged , , , , | 5 Comments

JRockit – JRCMD useful commands

Posted on June 21, 2012 by

Describe a few crucial diagnostic commands of JRCMD of JRockit JVM to help you on troubleshooting. Continue reading →

Posted in Administration, Java, Software Development | Tagged , , , , | 9 Comments