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GC easy – Universal Java GC Log Analyser

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Full GC,

jstat – Analysis

jstat is a simple utility tool, that is present in JDK to provide JVM performance-related statistics like garbage collection, compilation activities. The major strength of jstat is its ability to capture these metrics dynamically when JVM is running without any pre-requisite instrumentation. What do we mean by it? Say for example if you want to capture garbage collection related statistics, you need to pass below arguments before you start the JVM:

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ELIMINATE CONSECUTIVE FULL GCs

Full GC is an important event in the garbage collection process. During this full GC phase, garbage is collected from Continue reading “ELIMINATE CONSECUTIVE FULL GCs”

JBOSS SHUNNING, UNLOADING CLASS SUN.REFLECT

I had this interesting problem with a major shipping/logistics company. Their application was running on Java 6, JBoss Cluster in RedHat Linux platform.

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