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HBase >> mail # user >> does hbase master need to be a hadoop datanode as well?

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Re: does hbase master need to be a hadoop datanode as well?
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 <[EMAIL PROTECTED]> 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 <[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

Harsh J