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

[Jon Masamitsu]

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).