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https://issues.apache.org/jira/browse/YARN-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14195220#comment-14195220
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Tsuyoshi OZAWA commented on YARN-2800:
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[~leftnoteasy], Thanks for your clarification. Essentially, the configurations
about labels are a part of RM's state. IMHO, we should move the essential
configuration onto RMStateStore to prevent the mismatch ideally. I think ZK can
handle it since frequency of updating labels is not so high and number of
labels are not so large. cc: [~jianhe], [~kkambatl], what do you think?
> Should print WARN log in both RM/RMAdminCLI side when
> MemoryRMNodeLabelsManager is enabled
> ------------------------------------------------------------------------------------------
>
> Key: YARN-2800
> URL: https://issues.apache.org/jira/browse/YARN-2800
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: client, resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-2800-20141102-1.patch, YARN-2800-20141102-2.patch
>
>
> Even though we have documented this, but it will be better to explicitly
> print a message in both RM/RMAdminCLI side to explicitly say that the node
> label being added will be lost across RM restart.
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