JVM
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Enterprise Java
Oracle Service Bus – Stuck Thread Case Study
This case study describes the complete root cause analysis process of a stuck thread problem experienced with Oracle Service Bus…
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Enterprise Java
5 tips for proper Java Heap size
Determination of proper Java Heap size for a production system is not a straightforward exercise. In my Java EE enterprise…
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Core Java
How to analyze Thread Dump – Thread Stack Trace
This article is part 5 of our Thread Dump analysis series. So far you have learned the basic principles of…
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Core Java
JRockit – JRCMD useful commands
I have been using JRockit since many years 2007. I find it slower than Hotspot, but it has been always…
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Core Java
Tracking excessive garbage collection in Hotspot JVM
Quite frequently due to memory leaks or other memory problems applications freeze leaving only the garbage collector (GC) process running…
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Core Java
Just in Time Compiler (JIT) in Hotspot
The Just In Time Compiler (JIT) concept and more generally adaptive optimization is well known concept in many languages besides…
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Core Java
How to analyze Thread Dump – IBM VM
This article is part 4 of our Thread Dump analysis series which will provide you with an overview of what…
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Core Java
OutOfMemoryError: Java heap space – Analysis and resolution approach
java.lang.OutOfMemoryError: Java heap problem is one of the most complex problems you can face when supporting or developing complex Java…
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Core Java
GC overhead limit exceeded – Java Heap analysis
This post is the continuation of our original GC overhead limit exceeded problem patterns post. Proper Java Heap analysis is…
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