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https://issues.apache.org/jira/browse/HDFS-9940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198105#comment-15198105
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Yongjun Zhang commented on HDFS-9940:
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Thanks Nicholas.
See
{code}
commit 9d817fa1b14b477e5440ae4edd78de849976d9b5
Author: Arpit Agarwal <[email protected]>
Date: Fri Dec 4 14:46:46 2015 -0800
HDFS-9214. Support reconfiguring dfs.datanode.balance.max.concurrent.moves
without DN restart. (Contributed by Xiaobing Zhou)
{code}
> Rename dfs.balancer.max.concurrent.moves to avoid confusion
> -----------------------------------------------------------
>
> Key: HDFS-9940
> URL: https://issues.apache.org/jira/browse/HDFS-9940
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Affects Versions: 2.6.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Labels: supportability
> Fix For: 2.8.0
>
>
> It is very confusing for both Balancer and Datanode to use the same property
> {{dfs.datanode.balance.max.concurrent.moves}}. It is especially so for the
> Balancer because the property has "datanode" in the name string. Many
> customers forget to set the property for the Balancer.
> Change the Balancer to use a new property
> {{dfs.balancer.max.concurrent.moves}}.
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