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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Region server shutting down due to HDFS error
Date Wed, 28 Mar 2012 16:38:09 GMT
Any chance we can see what happened before that too? Usually you
should see a lot more HDFS spam before getting that all the datanodes
are bad.


On Wed, Mar 28, 2012 at 4:28 AM, Eran Kutner <eran@gigya.com> wrote:
> Hi,
> We have region server sporadically stopping under load due supposedly to
> errors writing to HDFS. Things like:
> 2012-03-28 00:37:11,210 WARN org.apache.hadoop.hdfs.DFSClient: Error while
> syncing
> java.io.IOException: All datanodes are bad. Aborting..
> It's happening with a different region server and data node every time, so
> it's not a problem with one specific server and there doesn't seem to be
> anything really wrong with either of them. I've already increased the file
> descriptor limit, datanode xceivers and data node handler count. Any idea
> what can be causing these errors?
> A more complete log is here: http://pastebin.com/wC90xU2x
> Thanks.
> -eran

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