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
