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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6441) Add ability to exclude/include few datanodes while balancing
Date Thu, 22 May 2014 17:23:02 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benoy Antony updated HDFS-6441:
-------------------------------

    Attachment: HDFS-6441.patch

updated the USAGE string with the new arguments.

> Add ability to exclude/include few datanodes while balancing
> ------------------------------------------------------------
>
>                 Key: HDFS-6441
>                 URL: https://issues.apache.org/jira/browse/HDFS-6441
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer
>    Affects Versions: 2.4.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch, HDFS-6441.patch
>
>
> In some use cases, it is desirable to ignore a few data nodes  while balancing. The administrator
should be able to specify a list of data nodes in a file similar to the hosts file and the
balancer should ignore these data nodes while balancing so that no blocks are added/removed
on these nodes.
> Similarly it will be beneficial to specify that only a particular list of datanodes should
be considered for balancing.



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