Category Archives: Performance

how to improve performance?

use cache as much as you can use client resource if possible memory normally is not the issue, the issue is cpu, db contention, network good segmentation Advertisements

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JVM Performance

jvm JIT class loader (.class file is byte code) load bootstrap class loader (rt.jar, internal, the most basic) extension class loader (jre/lib/ext) application class loader (classpath, ~cp?) link verify prepare (allocate memory for class, not instance, and set to default … Continue reading

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