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From Brahma Reddy Battula <brahmareddy.batt...@huawei.com>
Subject RE: How to find extent of data node imbalance ?
Date Sat, 11 Oct 2014 04:05:07 GMT
HI Manoj,

You can check from namenode web UI also apart from what you mentioned..



http://<NameNode-host>:<httpPort>/dfsnodelist.jsp?whatNodes=LIVE<http://10.18.51.157:25000/dfsnodelist.jsp?whatNodes=LIVE>





Thanks & Regards



Brahma Reddy Battula




________________________________
From: Manoj Samel [manojsameltech@gmail.com]
Sent: Saturday, October 11, 2014 2:26 AM
To: user@hadoop.apache.org
Subject: Re: How to find extent of data node imbalance ?

Reposting ...

One option is to do "hdfs dfsadmin -report" and see "DFS Used%" on each data node and then
compute the extent of imbalance across nodes. Is there any other way ?

Thanks,

On Wed, Oct 8, 2014 at 3:33 PM, Manoj Samel <manojsameltech@gmail.com<mailto:manojsameltech@gmail.com>>
wrote:
Hi,

Before running hadoop rebalancer, it is possible to find the extent to which the data nodes
are unbalanced ?

Thanks,


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