The compressed file is still big:
-rw-r--r-- 1 hadoop users  809768340 Aug 11 05:49 java_pid26972.hprof.gz

If you can tell me specific things to look for in the dump, I would collect
it (through jhat) and publish.

Thanks

On Tue, Aug 10, 2010 at 10:29 PM, Stack <st...@duboce.net> wrote:

> On Tue, Aug 10, 2010 at 9:52 PM, Ted Yu <yuzhih...@gmail.com> wrote:
> > Here are GC-related parameters:
> > /usr/java/jdk1.6/bin/java -Xmx4000m -XX:+HeapDumpOnOutOfMemoryError
> > -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode
> >
>
> You have > 2 CPUs per machine I take it?  You could probably drop the
> conservative XX:+CMSIncrementalMode.
>
> > The heap dump is big:
> > -rw------- 1 hadoop users 4146551927 Aug 11 03:59 java_pid26972.hprof
> >
> > Do you have ftp server where I can upload it ?
> >
>
> Not really.  I was hoping you could put a compressed version under an
> http server somewhere that I could pull from.  You might as well
> include the GC log while you are at it.
>
> Thanks Ted,
>
> St.Ack
>

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