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https://issues.apache.org/jira/browse/YARN-4454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bibin A Chundatt updated YARN-4454:
-----------------------------------
    Description: 
*Nodelabel mapping with NodeManager  is going wrong if combination of hostname 
and then NodeId is used to update nodelabel mapping*

*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}



  was:
*Nodelabel mapping with NodeManager  is going wrong if combination of hostname 
and then NodeId is used*

*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}




> 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
>
> *Nodelabel mapping with NodeManager  is going wrong if combination of 
> hostname and then NodeId is used to update nodelabel mapping*
> *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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