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https://issues.apache.org/jira/browse/HDFS-9391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15765093#comment-15765093
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Manoj Govindassamy commented on HDFS-9391:
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Discussed Maintenance Mode UI proposal with [~dilaver] and he has the following
comments
# In the NameNode UI, under DataNode Information there are few legends like "In
Service", "Down", "Decommissioned & Dead" etc., (Refer Page 1, item 2 in the
[UI
attached|https://issues.apache.org/jira/secure/attachment/12843697/HDFS-9391-MaintenanceMode-WebUI.pdf]).
** What is the difference between Down and Dead nodes ? Better to be consistent
in naming and terminology.
** Any help hover text for these Icons would be very useful
# Icon visualization should be extended to cover Maintenance Mode states.
> 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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