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From "Caldarale, Charles R" <Chuck.Caldar...@unisys.com>
Subject RE: High cpu on Tomcat 8
Date Sun, 03 May 2015 18:56:21 GMT
> From: Felix Schumacher [mailto:felix.schumacher@internetallee.de] 
> Subject: Re: High cpu on Tomcat 8

> I believe java 8 combines the permgen into the heap space

Not the whole story.  A small part of what was in PermGen is now allocated in the Java heap,
but the majority is moved to areas of native memory (Metaspace) for class data.  More info
here:

http://mail.openjdk.java.net/pipermail/hotspot-dev/2012-September/006679.html
https://blogs.oracle.com/poonam/entry/about_g1_garbage_collector_permanent

 - Chuck


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