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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Debugging help for SessionExpiredException
Date Thu, 10 Jun 2010 23:06:04 GMT

I have seen GC times of > 4 minutes on some large processes.  Better to set
the GC parameters so you don't get long pauses.

On http://wiki.apache.org/hadoop/ZooKeeper/Troubleshooting it mentions using
the "-XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC" options.  I recommend


You may want to tune the actual parameters of the GC itself.  These should
not be used in general, but might be helpful for certain kinds of servers:


Finally, you should always add options for lots of GC diagnostics:


On Thu, Jun 10, 2010 at 3:49 PM, Jordan Zimmerman <jzimmerman@proofpoint.com
> wrote:

> If I set my session timeout very high (1 minute) this shouldn't happen,
> right?

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