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From Azuryy Yu <azury...@gmail.com>
Subject Re: Suddenly NameNode stopped responding
Date Wed, 27 Nov 2013 06:01:36 GMT
I don't think there is HA because Sandeep using Hadoop-1.0.2.

@Sandeep, did you check GC logs?


On Wed, Nov 27, 2013 at 1:26 PM, Bharath Vissapragada <bharathv@cloudera.com
> wrote:

> 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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