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Tuning Garbage Collection for Mission-Critical Java Applications
I recently had the opportunity to test and tune the performance of several shop and portal applications built with Java and running on the Sun/Oracle JVM, among them some of the most visited in...
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Daemonize your Java application with the “Fat Controller”
The Fat Controller is a parallel execution handler that repeatedly runs other programs, a bit like cron and Apache Daemon. It is simple to use yet has some nice features that makes it a great tool for...
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Benchmarking G1 and other Java 7 Garbage Collectors
As mentioned in a first post of this series, Oracle’s GarbageFirst (G1) collector has been a supported option in Java 7 for some time. This post examines in more detail the performance of the G1...
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Controlling GC pauses with the GarbageFirst Collector
In the previous post I have shown that the GarbageFirst (G1) collector in Java 7 (and also 8ea) does a reasonable job but cannot reach the GC throughput of the “classic” collectors as soon as old...
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Introducing Big Data with Apache Hadoop
The revenue gained with Big Data solutions rose by 66% up to 73.5 billion euro world-wide and 59% up to 6.1 billion in Germany over the past year. One of the core technologies used is Hadoop which...
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Test Management with JIRA
In this first blog post of our series on Atlassian tools and 3rd-party plugins for Atlassian tools, we’ll have a close look on how to do test management in JIRA. You will get an insight in first...
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Increasing the Portability of a Linux Application
The existence of hundreds of different Linux distributions causes a challenge for software producers: How to provide a product for Linux as one single build only, but at the same time maximize the...
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Network and Server Security for JIRA and Confluence
JIRA and Confluence are important tools for managing projects and exchanging knowledge in many companies. Since they contain sensitive information, operating them as securely as possible is a must. In...
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System-specific Security for JIRA and Confluence
In this article we talk about specifics about JIRA and Confluence configuration and system management: aspects that have to be configured by administrators and guidelines to be followed by...
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G1 Garbage Collector is mature in Java 9, finally
The G1 garbage collector is the default collector in Java 9. So it is time to reevaluate its performance which in 2013 I had criticized in a previous blog article that compared G1’s performance in...
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