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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4024) YARN RM should avoid unnecessary resolving IP when NMs doing heartbeat
Date Thu, 06 Aug 2015 18:40:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-4024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660587#comment-14660587
] 

Wangda Tan commented on YARN-4024:
----------------------------------

Thanks for pointing YARN-4001, yes, they're same issue. Since this one has more discussion,
I suggest to keep this one open and close YARN-4001. I'm making me unassigned.

> YARN RM should avoid unnecessary resolving IP when NMs doing heartbeat
> ----------------------------------------------------------------------
>
>                 Key: YARN-4024
>                 URL: https://issues.apache.org/jira/browse/YARN-4024
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>
> Currently, YARN RM NodesListManager will resolve IP address every time when node doing
heartbeat. When DNS server becomes slow, NM heartbeat will be blocked and cannot make progress.



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