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From Nishanth S <nishanth.2...@gmail.com>
Subject Re: Re: Hbase Dead region Server
Date Tue, 04 Nov 2014 16:49:44 GMT
Thanks Every one.It turned out that I there were a few empty wal
directories corresponding to the dead region servers.Moved them out of
/hbase and  failed over the master.Things started working fine after that.

-Nishanth

On Mon, Nov 3, 2014 at 10:25 PM, yeweichen2010@gmail.com <
yeweichen2010@gmail.com> wrote:

> Nishanth,
>       What version of HBase you are using?
>
>       You can try clear the ZNode about regionserver list in zookeeper
> /hbase/ and then restart HMaster.
>
> ------------------------------
> yeweichen2010@gmail.com
>
>
> *From:* Nishanth S <nishanth.2884@gmail.com>
> *Date:* 2014-11-04 02:32
> *To:* user <user@hbase.apache.org>
> *Subject:* Re: Hbase Dead region Server
> Thanks Pere. I just did that and still  has the dead region server  showing
> up in Master UI as well as  in status command.I have replication turned on
>  in hbase and seeing few issues.Below is the stack trace I am seeing.
>
> 2014-11-03 18:31:00,215 WARN
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: Can't
> replicate because of a local or network error:
> java.io.IOException: No replication sinks are available
>         at
>
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSinkManager.getReplicationSink(ReplicationSinkManager.java:117)
>         at
>
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.shipEdits(ReplicationSource.java:652)
>         at
>
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:350)
> 2014-11-03 18:31:00,459 WARN
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: Can't
> replicate because of a local or network error:
> java.io.IOException: No replication sinks are available
>         at
>
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSinkManager.getReplicationSink(ReplicationSinkManager.java:117)
>         at
>
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.shipEdits(ReplicationSource.java:652)
>         at
>
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:350)
>
> On Mon, Nov 3, 2014 at 11:18 AM, Pere Kyle <pere@whisper.sh> wrote:
>
> > Nishanth,
> >
> > In my experience the only way I have been able to clear the dead region
> > servers is to restart the master daemon.
> >
> > -Pere
> >
> > On Mon, Nov 3, 2014 at 9:49 AM, Nishanth S <nishanth.2884@gmail.com>
> > wrote:
> >
> > > Hey folks,
> > >
> > > How do I remove a dead region server?.I manually failed over the hbase
> > > master but this is still appearing in master UI and also on the status
> > > command that I run.
> > >
> > > Thanks,
> > > Nishan
> > >
> >
>
>

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