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https://issues.apache.org/jira/browse/HDFS-16020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17343056#comment-17343056
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lei w commented on HDFS-16020:
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Thanks for [~hexiaoqiao] reply. I will submit patch to improve it soon.
> DatanodeReportType should add LIVE_NOT_DECOMMISSIONING type
> -----------------------------------------------------------
>
> Key: HDFS-16020
> URL: https://issues.apache.org/jira/browse/HDFS-16020
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover, namanode
> Reporter: lei w
> Assignee: lei w
> Priority: Minor
>
> Balancer builds cluster nodes by
> getDatanodeStorageReport(DatanodeReportType.LIVE) method。If the user does not
> specify the exclude node list, the balancer may migrate data to the DataNode
> in the decommission state. Should we filter out nodes in the decommission
> state by a new DatanodeReportType(LIVE_NOT_DECOMMISSIONING) regardless of
> whether the user specifies the exclude node list ?
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