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

[David Sitsky]

Jon Masamitsu wrote:
> 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).

We use the server VM explicitly for 32-bit so we still get the parallel 
GC.. I just checked it with jstack.

-- 
Cheers,
David

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