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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3586) RM only get back addresses of Collectors that NM needs to know.
Date Wed, 16 Dec 2015 23:11:46 GMT

    [ https://issues.apache.org/jira/browse/YARN-3586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061094#comment-15061094

Varun Saxena commented on YARN-3586:

Thanks Junping for the patch.
Overall the patch looks good.

A couple of nits :
# Do we need changes in MockNodes ? I do not see runningApps being updated anywhere.
Even MockRMApp changes do not seem to be required for the test case added. But anyways we
have to override these methods so should be fine
# Comment added above the debug log (// Log a debug info if collector address is not found.)
is not required. I guess debug log itself is self explanatory.

> RM only get back addresses of Collectors that NM needs to know.
> ---------------------------------------------------------------
>                 Key: YARN-3586
>                 URL: https://issues.apache.org/jira/browse/YARN-3586
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager, timelineserver
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Critical
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-3586-demo.patch, YARN-3586-feature-YARN-2928.patch
> After YARN-3445, RM cache runningApps for each NM. So RM heartbeat back to NM should
only include collectors' address for running applications against specific NM.

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