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From "Devaraj Das" <d...@yahoo-inc.com>
Subject RE: Some queries on Master node
Date Fri, 10 Nov 2006 11:52:01 GMT
> But, just to clarify: if a node is removed, instead of a new one added,
> will blocks be copied to other nodes to preserve minimum replication?

Yes

> -----Original Message-----
> From: Vetle Roeim [mailto:vetler@opera.com]
> Sent: Friday, November 10, 2006 4:38 PM
> To: hadoop-user@lucene.apache.org
> Subject: Re: Some queries on Master node
> 
> On Thu, 02 Nov 2006 06:42:31 +0100, Jagadeesh <jagadeesh@x-minds.org>
> wrote:
> 
> [...]
> >>
> >> I have a cluster of more than 25 servers which basically serves the
> > purpose
> >> for storage. However I was wondering what will happen if the master
> node
> >> gets exhausted of disk space. If I add more nodes to the cluster,
> >>
> >>
> >>
> >> 1. Will Hadoop move the blocks in master node to the newly added nodes?
> > No, HDFS will not move blocks to new nodes automatically. New files that
> > are added will likely have their blocks placed on the new nodes.
> 
> But, just to clarify: if a node is removed, instead of a new one added,
> will blocks be copied to other nodes to preserve minimum replication?
> 
> 
> [...]
> --
> Vetle Roeim
> Team Manager, Information Systems
> Opera Software ASA <URL: http://www.opera.com/ >


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