Yeah..Good point JM.
On Sat, Feb 23, 2013 at 1:19 AM, Jean-Marc Spaggiari <
[EMAIL PROTECTED]> wrote:
> Just to add to Mohammad's advices, you should avoid to run ZK on the same
> servers as you are running HBase.
> Reason is, if you are running in long GCs, ZK might miss the heartbeats and
> thinks servers are down. So safer to run same separately if you can.
> 2013/2/22 Mohammad Tariq <[EMAIL PROTECTED]>
> > Hello Kaven,
> > It's not all necessary to run HM on server running DN. Actually
> > not advisable to do so, as HM has high memory requirements and running
> > other daemons on the same machine may lead you to problems. The basic
> > cluster setup, which people normally use looks somewhat like this :
> > NN+JT(Hadoop master)
> > SNN
> > HM(Hbase master)
> > DN+TT+RS
> > Warm Regards,
> > Tariq
> > https://mtariq.jux.com/
> > cloudfront.blogspot.com
> > On Sat, Feb 23, 2013 at 12:45 AM, kaveh minooie <[EMAIL PROTECTED]>
> > > Hi everyone,
> > >
> > > I had a quick question. do I need to be running datanode on the server
> > > that is running hbase master or datanode should be running only on
> > servers
> > > that are running as regionserver?
> > >
> > > thanks,
> > > --
> > > Kaveh Minooie
> > >