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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2935) ResourceManager UI shows some stale values for "Decommissioned Nodes" field
Date Tue, 09 Dec 2014 12:20:12 GMT

     [ https://issues.apache.org/jira/browse/YARN-2935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohith updated YARN-2935:
-------------------------
    Description: 
Configure exclude host file patch and start RM in HA mode
# Add NM1 entry in exclude host and execute refreshnodes. NM1 will be decommissioned.
# Switch RM. RM reads exlude hosts and update decommissioned nodes to 1
# Remove NM1 entry from exclude hosts and execute refreshNodes.
# Start NM1 nodemanager. Observer in the UI, activenode is 1 and decommissioned node is 1.

"Decommissioned Nodes" field in RM shows some value even though there is no decommissioned
node.


  was:
1. Decommission NodeManager
2. Switch RM
3. Recommission NodeManager

"Decommissioned Nodes" field in RM shows some value even though there is no decommissioned
node.



> ResourceManager UI shows some stale values for "Decommissioned Nodes" field
> ---------------------------------------------------------------------------
>
>                 Key: YARN-2935
>                 URL: https://issues.apache.org/jira/browse/YARN-2935
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.4.1
>            Reporter: Nishan Shetty
>            Assignee: Rohith
>            Priority: Minor
>         Attachments: screenshot-1.png
>
>
> Configure exclude host file patch and start RM in HA mode
> # Add NM1 entry in exclude host and execute refreshnodes. NM1 will be decommissioned.
> # Switch RM. RM reads exlude hosts and update decommissioned nodes to 1
> # Remove NM1 entry from exclude hosts and execute refreshNodes.
> # Start NM1 nodemanager. Observer in the UI, activenode is 1 and decommissioned node
is 1.
> "Decommissioned Nodes" field in RM shows some value even though there is no decommissioned
node.



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