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https://issues.apache.org/jira/browse/HDFS-9391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15812642#comment-15812642
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Ming Ma commented on HDFS-9391:
-------------------------------

Thanks Manoj. I just found something related to our discussion. For any 
decommissioning node, given getDecommissionOnlyReplicas is the same as 
getOutOfServiceOnlyReplicas, can we just use getOutOfServiceOnlyReplicas value 
for JSON decommissionOnlyReplicas property? Same for any entering maintenance 
node. In other words, we might not need to add the extra 
decommissionOnlyReplicas and maintenanceOnlyReplicas to LeavingServiceStatus.

> 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, HDFS-9391.03.patch, Maintenance webUI.png
>
>




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