100% CPU usage in "VM Thread" for Hotspot 10/11 on x64 platform within data processing application

Jon Masamitsu Jon.Masamitsu at Sun.COM
Mon Feb 23 17:36:23 PST 2009

Tom Rodriguez wrote On 02/23/09 17:15,:

>There is a GCTimeLimit which should give up if we're spending too much  
>time in GC but maybe you're on the edge or it's not enabled for your  
Only collectors with ergonomics currently have the GCTimeLimit feature
(need the feature to measure the GC times).  Currently that's only
UseParallelGC (or UseParallelOldGC).  Well, CMS has an implementation
if it's spending all its time doing full GC's but it has to be turned on.

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