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Date: Thu, 17 Dec 2015 04:54:46 +0000 (UTC)
From: "Bibin A Chundatt (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Commented] (YARN-4454) NM to nodelabel mapping going wrong
 after RM restart
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    [ https://issues.apache.org/jira/browse/YARN-4454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061476#comment-15061476 ] 

Bibin A Chundatt commented on YARN-4454:
----------------------------------------

On 2nd time recovery the ordering is going wrong 

{noformat}
2015-12-14 17:17:54,906 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager:   NM=host-10-19-92-188:64318, labels=[ResourcePool_1]
2015-12-14 17:17:54,906 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager:   NM=host-10-19-92-188:0, labels=[ResourcePool_null]{noformat}




> NM to nodelabel mapping going wrong after RM restart
> ----------------------------------------------------
>
>                 Key: YARN-4454
>                 URL: https://issues.apache.org/jira/browse/YARN-4454
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Critical
>
> *Steps to reproduce*
> 1.Create cluster with 2 NM
> 2.Add label X,Y to cluster
> 3.replace  Label of node  1 using <HOSTNAME1:PORT>,x
> 4.replace label for node 1 by <HOSTNAME1>,y
> 5.Again replace label of node 1 by <HOSTNAME1:PORT>,x
> Check cluster label mapping HOSTNAME1 will be mapped with X 
> Now restart RM 2 times NODE LABEL mapping of HOSTNAME1:PORT changes to Y
> {noformat}
> 2015-12-14 17:17:54,901 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager: Add labels: [<ResourcePool_1:exclusivity=true>,<ResourcePool_null:exclusivity=true>]
> 2015-12-14 17:17:54,905 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager: REPLACE labels on nodes:
> 2015-12-14 17:17:54,906 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager:   NM=host-10-19-92-188:64318, labels=[ResourcePool_1]
> 2015-12-14 17:17:54,906 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager:   NM=host-10-19-92-188:0, labels=[ResourcePool_null]
> 2015-12-14 17:17:54,906 INFO org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager:   NM=host-10-19-92-187:64318, labels=[ResourcePool_null]
> {noformat}



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