GC – GC and GC’s

All

Intro

Today I’ll describe two tools for GC: GCViwer and JMeter.

In Eclipse you just need to do:

-Xloggc:/whatever/Downloads/LOG.log -verbose:gc

> in the server configuration as shown here Garbagecat

GCViewer

This is a tool for quite look up on GC files. Just download the source and run mvn clean install and it’s all done.

Here below is one of my experiments with a gc.log file in the GC viewer. Just used [viewer] [log.file] and it will pop up:

water_analysis.png

JMeter

JVM tuning is not a magic trick. So JMeter is a way to stop the gambling and magic and do some metrics based on load simulations, so then we can tune the JVM options for the optional.

Unified JVM logger

Well, the JEPS 158, Java 9, introduces a unified logger mechanism.

REFs

The source or GCViwer.

The JMeter can be found here

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