Tag Archives: Research

Java heap space, native heap and memory problems

Posted on January 14, 2013 by Adrianos Dadis

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

Beneficial CountDownLatch and tricky java deadlock

Posted on November 6, 2011 by Adrianos Dadis

Discover beneficial CountDownLatch, but watch out tricky java deadlocks. Modern JVMs does not detect such deadlocks. Continue reading →

Posted in Java, Software Development | Tagged , , , | 12 Comments

Reduce lock granularity – Concurrency optimization

Posted on October 11, 2011 by Adrianos Dadis

Improve concurrency code by reducing lock granularity. Advises to optimize code that involves synchronization. Continue reading →

Posted in Java, Software Development | Tagged , , , | 4 Comments

Java String concatenation

Posted on August 31, 2011 by Adrianos Dadis

String concatenation is one of the most popular habits in programming. You can concatenate strings using String, StringBuffer or StringBuilder. As you may know StringBuilder is the fastest one, as it is not thread safe and is almost identical to … Continue reading →

Posted in Java, Software Development | Tagged , , | 4 Comments

Extend WLST with your custom commands

Posted on June 24, 2011 by Adrianos Dadis

Recently I was writing a simple WLST script to monitor a weblogic domain. After a lot of tests and thoughts I develop a decent script that satisfy my monitor needs. While writing the script I wrote a few functions that … Continue reading →

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