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 >