[jboss-user] [Performance Tuning] - Re: About the UseParallelOldGC
do-not-reply at jboss.com
Thu Jun 25 22:40:15 EDT 2009
I want to understand more about the point 'lock contention' in the free memory list.
In your case, you have 1GB Heap, with 4 cores. So, assume your young gen size is 100MB, the old gen is around 900MB. So each core will share 900MB / 4 = around 225MB.
If I can use 8 cores, each core will share 113MB.
Lock contention occurs because each thread is working on 'Too few' old gen size?
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