Yeah..Good point JM. Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com
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. > > JM > > 2013/2/22 Mohammad Tariq <[email protected]> > > > Hello Kaven, > > > > It's not all necessary to run HM on server running DN. Actually > it's > > 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]> > wrote: > > > > > 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 > > > > > >
