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From Ninad Raut <hbase.user.ni...@gmail.com>
Subject Re: Administration tool for HBase
Date Fri, 15 May 2009 07:14:36 GMT
Hi Andy,
But what if the daemon.sh keep running for ever? It just doent complete even
after an hour or so. Any other workaround?

On Thu, May 14, 2009 at 10:44 PM, Andrew Purtell <apurtell@apache.org>wrote:

> NEVER KILL -9 A REGION SERVER!!!
>
>   - Andy
>
>
>
>
> ________________________________
> From: Ninad Raut <hbase.user.ninad@gmail.com>
> To: hbase-user@hadoop.apache.org
> Cc: Ranjit Nair <ranjit.nair@germinait.com>
> Sent: Thursday, May 14, 2009 3:03:06 AM
> Subject: Re: Administration tool for HBase
>
> Ryan,
> Using bin/hbase-daemon.sh start regionserver and bin/hbase-daemon.sh stop
> regionserver can we add/remove slave nodes when the cluster is live?
> How to handle a region not serving exception? Because in this scenario the
> daemon.sh script seems to go on forever?
> We usually kill the HRegion process using kill -9, which causes loss of
> data
> if it is not flushed.
> Regards,
> Ninad
>
> On Thu, May 14, 2009 at 12:26 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:
>
> > There are tools:
> >
> > bin/start-hbase.sh
> > bin/stop-hbase.sh
> >
> > starts/stops cluster.
> >
> > per node:
> > bin/hbase-daemon.sh start regionserver
> > bin/hbase-daemon.sh stop regionserver
> >
> > you might need HBASE-1362 however.
> >
> > On Wed, May 13, 2009 at 11:46 PM, Ninad Raut <hbase.user.ninad@gmail.com
> > >wrote:
> >
> > > Hi,
> > > I have been asekd to automate the following processes in HBase:
> > >
> > >   - Script to add/remove regionservers and datanodes from a cluster
> when
> > >   cluster is live
> > >
> > >
> > >   - Script to handle master node failure
> > >   - Script for graceful shutdown/startup of hbase
> > >
> > > Is there any adminsitration tool present for hbase. How can we use
> Hadoop
> > > On
> > > Demand and/or zookeeper to make the cluster failure resistant.
> > > Regards,
> > > Ninad
> > >
> >
>
>
>
>
>

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