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https://issues.apache.org/jira/browse/HDFS-8890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14726644#comment-14726644
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Tsz Wo Nicholas Sze commented on HDFS-8890:
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We should also update
hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md . See if you
want to do it here or in HDFS-8923. Thanks for working on this.
> 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
> Attachments: HDFS-8890-trunk-v1.patch, HDFS-8890-trunk-v2.patch,
> HDFS-8890-trunk-v3.patch
>
>
> 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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