Nishan Shetty created YARN-2523:

             Summary: ResourceManager UI showing negative value for 
"Decommissioned Nodes" field
                 Key: YARN-2523
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager, webapp
    Affects Versions: 2.4.1
            Reporter: Nishan Shetty
            Priority: Minor

1. Decommission one NodeManager by configuring ip in excludehost file
2. Remove ip from excludehost file
3. Execute -refreshNodes command and restart Decommissioned NodeManager

Observe that in RM UI negative value for "Decommissioned Nodes" field is shown

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