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https://issues.apache.org/jira/browse/YARN-3963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bibin A Chundatt updated YARN-3963:
-----------------------------------
Attachment: 0002-YARN-3963.patch
Attaching patch with testcase for review
> AddNodeLabel on duplicate label addition shows success
> -------------------------------------------------------
>
> Key: YARN-3963
> URL: https://issues.apache.org/jira/browse/YARN-3963
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Minor
> Attachments: 0001-YARN-3963.patch, 0002-YARN-3963.patch
>
>
> Currently as per the code in
> {{CommonNodeLabelManager#addToClusterNodeLabels}} when we add same nodelabel
> again event will not be fired so no updation is done.
>
> {noformat}
> ./yarn rmadmin –addToClusterNodeLabels x
> ./yarn rmadmin –addToClusterNodeLabels “x(exclusive=true)”
> ./yarn rmadmin –addToClusterNodeLabels “x(exclusive=false)”
> {noformat}
> All these commands will give success when applied again through CLI
>
> {code}
> 2015-07-22 21:16:57,779 INFO
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager: Add labels:
> [<z:exclusivity=true>]
> 2015-07-22 21:16:57,779 INFO
> org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=dsperf
> IP=10.19.92.117 OPERATION=addToClusterNodeLabels TARGET=AdminService
> RESULT=SUCCESS
> 2015-07-22 21:17:06,431 INFO
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager: Add labels:
> [<z:exclusivity=false>]
> 2015-07-22 21:17:06,431 INFO
> org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=dsperf
> IP=<IP> OPERATION=addToClusterNodeLabels TARGET=AdminService
> RESULT=SUCCESS
> {code}
> Also since exclusive=true to false is not supported success is misleading
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