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From Robert Coli <>
Subject Re: Out of control memory consumption
Date Fri, 11 Feb 2011 22:58:15 GMT
On Thu, Feb 10, 2011 at 9:17 AM, Huy Le <> wrote:
> Yes, we had setting at 75 but JVM did not have enough time to do GC, so it
> abort GC'ing.   We lowered it to 50, but still had issue, so we lowered it
> again to 35.

If you lower CMSInitiatingOccupancyFraction below the size of your
typical working set, the only thing you will do is burn a core's worth
of CPU on constant GC, which is probably not accompanied by an
improvement in overall system performance. ;D


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