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From Brian Bockelman <bbock...@cse.unl.edu>
Subject Re: What's HDFS's balancer criteria?
Date Fri, 18 Dec 2009 12:36:26 GMT
Hey Jeff,

I have not encountered this.

http://dcache-head.unl.edu:8088/dfshealth.jsp

The nodes that are 10x bigger have 10x more blocks on them.  What makes you think this is
true?

Brian

On Dec 18, 2009, at 4:29 AM, Jeff Zhang wrote:

> Hi all,
> 
> When I invoke the balancer command, I found that it seems hdfs want to
> balance the block number of each data node rather than the percentage of
> each machine's remaining capacity.
> Not sure if I am correct, could any help on this ?
> 
> 
> Thank you
> 
> Jeff Zhang


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