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https://issues.apache.org/jira/browse/HDFS-9391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15803589#comment-15803589
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Ming Ma commented on HDFS-9391:
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Then for that specific case when
{{DecommissionManager#Monitor#processBlocksInternal}} is processing the
decommissioning node, NumberReplicas#decommissionedAndDecommissioning() > 0 and
NumberReplicas#maintenanceReplicas() > 0 are satisfied. Thus both
decommissionOnlyReplicas and maintenanceOnlyReplicas will be incremented. The
same applies to the other two entering maintenance nodes.
> Update webUI/JMX to display maintenance state info
> --------------------------------------------------
>
> Key: HDFS-9391
> URL: https://issues.apache.org/jira/browse/HDFS-9391
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 3.0.0-alpha1
> Reporter: Ming Ma
> Assignee: Manoj Govindassamy
> Attachments: HDFS-9391-MaintenanceMode-WebUI.pdf, HDFS-9391.01.patch,
> HDFS-9391.02.patch, Maintenance webUI.png
>
>
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