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https://issues.apache.org/jira/browse/HADOOP-4701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649544#action_12649544
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Raghu Angadi commented on HADOOP-4701:
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> the whole replication flow will be affected, NumberReplicas are used
> everywhere.
in what sense? I didn't quite follow that. An example might make it more clear.
> Improve datanode decommission monitoring performance
> ----------------------------------------------------
>
> Key: HADOOP-4701
> URL: https://issues.apache.org/jira/browse/HADOOP-4701
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: Tsz Wo (Nicholas), SZE
>
> The datanode decommission monitoring is not efficient. There are rooms for
> improvement.
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