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https://issues.apache.org/jira/browse/YARN-3971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15245685#comment-15245685
]
Naganarasimha G R commented on YARN-3971:
-----------------------------------------
Hi [~wangda] & [~bibinchundatt],
Bibin has raised HADOOP-13035 has raised, we can evaluate whether its simple
fix or it comes with lot of failures and risks and then decide whether to close
this jira without using the addendum patch or proceed with it.
> Skip RMNodeLabelsManager#checkRemoveFromClusterNodeLabelsOfQueue on nodelabel
> recovery
> --------------------------------------------------------------------------------------
>
> Key: YARN-3971
> URL: https://issues.apache.org/jira/browse/YARN-3971
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Critical
> Fix For: 2.8.0
>
> Attachments: 0001-YARN-3971.patch, 0002-YARN-3971.patch,
> 0003-YARN-3971.patch, 0004-YARN-3971.patch,
> 0005-YARN-3971.001.addendum.patch, 0005-YARN-3971.addendum.patch,
> 0005-YARN-3971.patch
>
>
> Steps to reproduce
> # Create label x,y
> # Delete label x,y
> # Create label x,y add capacity scheduler xml for labels x and y too
> # Restart RM
>
> Both RM will become Standby.
> Since below exception is thrown on {{FileSystemNodeLabelsStore#recover}}
> {code}
> 2015-07-23 14:03:33,627 INFO org.apache.hadoop.service.AbstractService:
> Service org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager failed in
> state STARTED; cause: java.io.IOException: Cannot remove label=x, because
> queue=a1 is using this label. Please remove label on queue before remove the
> label
> java.io.IOException: Cannot remove label=x, because queue=a1 is using this
> label. Please remove label on queue before remove the label
> at
> org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager.checkRemoveFromClusterNodeLabelsOfQueue(RMNodeLabelsManager.java:104)
> at
> org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager.removeFromClusterNodeLabels(RMNodeLabelsManager.java:118)
> at
> org.apache.hadoop.yarn.nodelabels.FileSystemNodeLabelsStore.recover(FileSystemNodeLabelsStore.java:221)
> at
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.initNodeLabelStore(CommonNodeLabelsManager.java:232)
> at
> org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.serviceStart(CommonNodeLabelsManager.java:245)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:120)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStart(ResourceManager.java:587)
> at
> org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startActiveServices(ResourceManager.java:964)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1005)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1001)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1666)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToActive(ResourceManager.java:1001)
> at
> org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:312)
> at
> org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService.becomeActive(EmbeddedElectorService.java:126)
> at
> org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:832)
> at
> org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:422)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> {code}
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