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From "Amlan Roy" <amlan....@cleartrip.com>
Subject RE: Recommended Production setup
Date Sun, 08 Jul 2012 15:58:05 GMT
Thanks J-D and Stephen for the information. It was very useful.

-----Original Message-----
From: Stephen Boesch [mailto:javadba@gmail.com] 
Sent: Saturday, July 07, 2012 3:42 AM
To: user@hbase.apache.org
Subject: Re: Recommended Production setup

Agreed with  Jean-Daniel.  To recap: your layout is generally sensible
except you can 'overlay' the zookeeper nodes on any of the other ones, no
need to use dedicated machines for them.

2012/7/6 Jean-Daniel Cryans <jdcryans@apache.org>

> On Fri, Jul 6, 2012 at 3:01 AM, Amlan Roy <amlan.roy@cleartrip.com> wrote:
> > 1.       I have used Hbase-0.92.0 with Hadoop-1.0.0 for our POC. Are
> these
> > versions production ready?
> If you look at each website you'll see that HBase 0.92.1 is out (bug
> fix release over 0.92.0) and so is Hadoop 1.0.3 (same release
> concept). I'd recommend finalizing on those.
> > 2.       Initial setup I have thought is:
> > a. One Master machine. It will be used as Secondary Namenode also.
> > b. One Namenode. It will be used as backup Master also.
> > c. Three dedicated Zookeeper servers.
> > d. Five machines that will be used as Datanode and Regionserver.
> Lots of waste on the ZK size of things. Considering that your cluster
> will be dead if the machine that hosts the NN dies then I would
> suggest you put just 1 ZK node there and use the two others for DN+RS.
> The only reason at your scale to keep a separate ZK would be if you
> need it for other clusters/services.
> Hope this helps,
> J-D

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