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https://issues.apache.org/jira/browse/HDFS-7639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14729594#comment-14729594
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Chen He commented on HDFS-7639:
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Assign to [~kanaka], thanks.
> Remove the limitation imposed by dfs.balancer.moverThreads
> ----------------------------------------------------------
>
> Key: HDFS-7639
> URL: https://issues.apache.org/jira/browse/HDFS-7639
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer & mover
> Reporter: Tsz Wo Nicholas Sze
> Assignee: kanaka kumar avvaru
>
> In Balancer/Mover, the number of dispatcher threads
> (dfs.balancer.moverThreads) limits the number of concurrent moves. Each
> dispatcher thread sends request to a datanode and then is blocked for waiting
> the response. We should remove such limitation.
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