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From Jimmy Xiang <jxi...@cloudera.com>
Subject Re: Region server shutting down due to HDFS error
Date Wed, 28 Mar 2012 14:17:42 GMT
Which version of HDFS and HBase are you using?

When the problem happens, can you access the HDFS, for example, from hadoop dfs?


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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