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From Stack <st...@duboce.net>
Subject Re: GC and High CPU
Date Tue, 17 May 2011 03:52:41 GMT
I don't understand what of the below made a difference though the
difference is plain from the GC logs you show.

See below:

On Mon, May 16, 2011 at 5:06 PM, Jack Levin <magnito@gmail.com> wrote:
> Those are the lines I added:
>
> -XX:+CMSIncrementalMode \  <--------


>From the doc., it says about i-cms and java6 "This feature is useful
when applications that need the low pause times provided by the
concurrent collector are run on machines with small numbers of
processors (e.g., 1 or 2)."  [See
http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html#icms]
 Don't you have > 2 processors per machine?

St.Ack

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