Perf Impact of CMSClassUnloadingEnabled
jon.masamitsu at oracle.com
Mon Nov 7 07:44:17 PST 2011
Doing class unloading with CMS will often increase the remark pause times
and so is not on by default.
On 11/5/2011 3:29 PM, Martin Hare Robertson wrote:
> I recently encountered an interesting GC issue with a Tomcat application. I
> came up with a simple repro scenario which I posted to StackOverflow:
> To solve this issue I have been encouraged to use
> I currently use the following GC configuration.
> Is enabling CMSClassUnloadingEnabled likely to have a negative perf impact?
> If not, why is it disabled by default?
> hotspot-gc-use mailing list
> hotspot-gc-use at openjdk.java.net
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