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 critical in order to eliminate your OutOfMemoryError: GC overhead problem. If you are not familiar with this Java HotSpot 1.6 error, I recommend that you first review my First Article on this subject. This article will provide you with a sample program and a tutorial on how to analyze your Java HotSpot Heap footprint using...

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JAXBContext Performance Problem – Case Study

This case study describes the complete root cause analysis and resolution of a performance problem (major slowdown and contention under heavy load) that we faced following a migration our Web Service integration layer from Oracle Weblogic 8.1 Web Service RPC to Oracle Weblogic 11g & JAXB 2.0. This article will also demonstrate how you can generate and analysis JVM Thread Dump snapshots to pinpoint the source of high CPU and IO contention...

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