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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8890) Allow admin to specify which blockpools the balancer should run on
Date Thu, 13 Aug 2015 17:08:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14695585#comment-14695585
] 

Tsz Wo Nicholas Sze commented on HDFS-8890:
-------------------------------------------

Oops, my previous comment is incorrect.  Mixing something up.

> Allow admin to specify which blockpools the balancer should run on
> ------------------------------------------------------------------
>
>                 Key: HDFS-8890
>                 URL: https://issues.apache.org/jira/browse/HDFS-8890
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>            Reporter: Chris Trezzo
>            Assignee: Chris Trezzo
>
> Currently the balancer runs on all blockpools. Allow an admin to run the balancer on
a set of blockpools. This will enable the balancer to skip blockpools that should not be balanced.
For example, a tmp blockpool that has a large amount of churn.
> An example of the command line interface would be an additional flag that specifies the
blockpools by id:
> -blockpools BP-6299761-10.55.116.188-1415904647555,BP-47348528-10.51.120.139-1415904199257



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