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From Harish Krishnan <harish.t.krish...@gmail.com>
Subject Re: does hbase master need to be a hadoop datanode as well?
Date Fri, 22 Feb 2013 21:36:36 GMT
So in case of a stand alone set up, how come we are not experiencing those
issues?
Is it because of the limited data set that we are operating on?

Thanks & Regards,
Harish.T.K


On Fri, Feb 22, 2013 at 1:19 PM, Harsh J <harsh@cloudera.com> wrote:

> While this general guideline of not requiring a DN on HM is correct, I
> just wanted to point out that the HM is hardly high on memory
> usage/requirements (as possibly stated below), as all it does is
> maintain the cluster and not serve nor hold any client-useful data or
> frequent requests.
>
> On Sat, Feb 23, 2013 at 1:13 AM, Mohammad Tariq <dontariq@gmail.com>
> wrote:
> > 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 <kaveh@plutoz.com>
> 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
> >>
>
>
>
> --
> Harsh J
>

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