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Date: Fri, 17 Dec 2010 18:37:00 +0600
Message-ID: <AANLkTikz=Mbx+YKkd4XrN9PHOzSZiCkyTXqsxkuR97gK@mail.gmail.com>
Subject: Re: [RFC] Deployment layout and server configurations
From: Imran M Yousuf <imyousuf@gmail.com>
To: user@hbase.apache.org
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Hi,

Please see my replies inline below, thanks a lot for the feedback.

On Fri, Dec 17, 2010 at 12:07 PM, Ted Dunning <tdunning@maprtech.com> wrote=
:
> On Thu, Dec 16, 2010 at 9:03 PM, Imran M Yousuf <imyousuf@gmail.com> wrot=
e:
>
>> * 1 NN+MN RAID 1 with 400GB 15k SAS HDD, 12GB ECC RAM, 1 X X3440/E5560
>> (4C/8T)
>>
>
> I don't think that the SAS drives will help you =A0here.
>

Hmm, so will go with 7.2k RPM disks.

>
>> =A0 * ZK - 500GB 7.2k RPM, 4GB ECC RAM, 1 X X3440/E5560 (4C/8T)
>>
> =A0* ZK + Gangrila + Nagios - 500GB 7.2k RPM, 8GB ECC RAM, 1 X X3440/E556=
0
>> (4C/8T)
>>
>
> You should have two drives on each of these machines and the might as wel=
l
> match the other drives.
>
> Why only two ZK machines? =A0Normally it is recommended to have 3 or 5. =
=A0The
> ZK load here should be very light so you might rather collocate ZK with
> other services a bit more.

I am tending to think to have one machince ZK+Gangrila+Nagios and
other 2 collocated with 2 of the RSs' as JG suggests.

>
> Is there any reason not to use 2T drives all round?
>

I was not sure whether 2T all around would be a good idea since I was
using only single 4C/8T processors. What do you think - single
processor for 2T would be ok?

> My own tendency would be to put 12GB all round so that all machines are
> interchangeable.
>

Good suggestion, never thought of it that way.

Thanks,

--=20
Imran M Yousuf
Twitter: @imyousuf - http://twitter.com/imyousuf
Blog: http://imyousuf-tech.blogs.smartitengineering.com/
Mobile: +880-1711402557