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From Bharath Vissapragada <bhara...@cloudera.com>
Subject Re: Suddenly NameNode stopped responding
Date Wed, 27 Nov 2013 05:26:44 GMT
It is difficult to guess the reason behind this outage without the logs.
Can we have a look at them? (pastebin). Did you configure HA for namenode?
Did it failover to standby?


On Wed, Nov 27, 2013 at 10:29 AM, Sandeep L <sandeepvreddy@outlook.com>wrote:

> Hi,
> Couple of hours back all of sudden NameNode of our production cluster got
> stopped responding, due to this our HBase also stopped responding(as
> expected).
> Here mysterious thing is we unable to get any reason for NameNode
> interruption.
> I went through all log files of NameNode and I couldn't find any exception
> in logs.
> Can someone guess what could be the probable reason for this issue?
> Any one previously faced similar issue?
> We are using hbase-0.92.1 with hadoop-1.0.2
> If you need any other information please let me know.
> Thanks,Sandeep.




-- 
Bharath Vissapragada
<http://www.cloudera.com>

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