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From Rob Coli <>
Subject Re: constant CMS GC using CPU time
Date Wed, 24 Oct 2012 21:38:18 GMT
On Mon, Oct 22, 2012 at 8:38 AM, Bryan Talbot <> wrote:
> The nodes with the most data used the most memory.  All nodes are affected
> eventually not just one.  The GC was on-going even when the nodes were not
> compacting or running a heavy application load -- even when the main app was
> paused constant the GC continued.

This sounds very much like "my heap is so consumed by (mostly) bloom
filters that I am in steady state GC thrash."

Do you have heap graphs which show a healthy sawtooth GC cycle which
then more or less flatlines?


=Robert Coli
YAHOO - rcoli.palominob
SKYPE - rcoli_palominodb

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