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 20:55:11 PST 2009

David Sitsky wrote On 02/23/09 18:23,:

> ...
>I am using the default GC on my 64-bit quad-core, so jstack reveals it 
>is the ParallelGC implementation.

Be aware that on windows 32bit the default is the UseSerialGC collector
unless you specify otherwise on the command line.  Similarly you'll get
the client VM (-client) and will get a 64m maximum heap (again unless
you specify differently).

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