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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 Mon, 03 Nov 2014 16:51:33 GMT

    [ https://issues.apache.org/jira/browse/YARN-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14194719#comment-14194719
] 

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

[~leftnoteasy], thanks for taking this JIRA. IMHO, it's too verbose for users to dump the
warning when users try the commands since users can use MemoryRMNodeLabelsManager experimentally.
I prefer to log startup time once and show what kind of RMNodeLabelsManager on Web UI like
RMStateStore. The patch on YARN-1326 can help you to add the type to Web UI.

> 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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