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https://issues.apache.org/jira/browse/HDFS-9214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027919#comment-15027919
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Mingliang Liu commented on HDFS-9214:
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Overall looks good. Minor comments:
# Any logging when re-configure properties in {{DataNode}} will be helpful
# Make {{DataXceiverServer#maxThreads}} final if possible
# Annotate {{getMaxThreads()}} with @VisiableForTesting
> Reconfigure DN concurrent move on the fly
> -----------------------------------------
>
> Key: HDFS-9214
> URL: https://issues.apache.org/jira/browse/HDFS-9214
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.7.0
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HDFS-9214.001.patch, HDFS-9214.002.patch,
> HDFS-9214.003.patch
>
>
> This is to reconfigure
> {code}
> dfs.datanode.balance.max.concurrent.moves
> {code} without restarting DN.
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