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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3102) Decommisioned Nodes not listed in Web UI
Date Thu, 28 Jan 2016 21:51:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-3102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15122368#comment-15122368

Jason Lowe commented on YARN-3102:

Shouldn't this {{get}} be a {{remove}}?  Otherwise I think we leave the old node in the inactive
      RMNode previousRMNode = rmNode.context.getInactiveRMNodes().get(nodeId);
      if (previousRMNode != null) {
      } else {

Why is MockRM#drainEvents a protected function instead of public?  Seems like this would make
it difficult to use from other java packages without needlessly deriving from it.

Nit: The new writeHostsFile method uses a local variable that eclipses the existing {{hostFile}}
instance variable.  It would be a bit clearer if that aliasing wasn't there.

> Decommisioned Nodes not listed in Web UI
> ----------------------------------------
>                 Key: YARN-3102
>                 URL: https://issues.apache.org/jira/browse/YARN-3102
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>         Environment: 2 Node Manager and 1 Resource Manager 
>            Reporter: Bibin A Chundatt
>            Assignee: Kuhu Shukla
>            Priority: Minor
>         Attachments: YARN-3102-v1.patch, YARN-3102-v2.patch, YARN-3102-v3.patch, YARN-3102-v4.patch,
YARN-3102-v5.patch, YARN-3102-v6.patch, YARN-3102-v7.patch
> Configure yarn.resourcemanager.nodes.exclude-path in yarn-site.xml to yarn.exlude file
In RM1 machine
> Add Yarn.exclude with NM1 Host Name 
> Start the node as listed below NM1,NM2 Resource manager
> Now check Nodes decommisioned in /cluster/nodes
> Number of decommisioned node is listed as 1 but Table is empty in /cluster/nodes/decommissioned
(detail of Decommision node not shown)

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