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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2800) Should print WARN log in both RM/RMAdminCLI side when MemoryRMNodeLabelsManager is enabled
Date Wed, 05 Nov 2014 06:16:35 GMT

    [ https://issues.apache.org/jira/browse/YARN-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14197663#comment-14197663
] 

Tsuyoshi OZAWA commented on YARN-2800:
--------------------------------------

Vinod, OK, let's discuss the design of state management of NodeLabelsManager on YARN-796 or
another JIRA.

[~leftnoteasy] currently, I still think it's enough to log at startup time once and showing
what kind of RMNodeLabelsManager is used on Web UI. The problem you mentioned after RM restart
looks design issue of label management. We should fix it on another JIRA. Please correct me
if I'm wrong.

> 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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