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From Stack <st...@duboce.net>
Subject Re: unable to start regionservers on slaves in hbase
Date Thu, 12 Apr 2012 14:56:36 GMT
On Thu, Apr 12, 2012 at 12:50 AM, amsal <amsal_naeem@yahoo.com> wrote:
>
> i have a problem starting regionservers on slave pc,s. when i enlist only
> master pc in conf/regionservers every thing works fine but when i add two
> more slaves to it the hbase does not start ..... if i delete all hbase
> folders in the tmp folder from all pc,s and then start regionserver (with 3
> regionservers enlisted)the hbase gets started but when i try to create a
> table it again fails(gets stuck).... pls anyone help i am using hadoop
> 0.20.0 which is working fine and hbase 0.92.0 i have 3 pc's in cluster(all
> running windows xp) one master and two slaves
>

HBase will not work w/ hadoop 0.20.0.  See hbase requirements:
http://hbase.apache.org/book.html#configuration

What are the errors you are seeing?

> also tell that is DNS (both forward and backward lookup working)necessary
> for hbase in my case???? is there any way to replicate hbase table to all
> region servers i.e. i want to have a copy of table at each pc and want to
> access them locally(when i execute map task they should use their local copy
> of hbase table) plz help..!! thanx in advance
>

Thats not how it works.  See the reference guide cited above.

St.Ack

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