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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-275) Make NodeManagers to NOT blindly heartbeat irrespective of whether previous heartbeat is processed or not.
Date Sat, 02 Feb 2013 07:00:16 GMT

    [ https://issues.apache.org/jira/browse/YARN-275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569455#comment-13569455
] 

Bikas Saha commented on YARN-275:
---------------------------------

Right. For the first step, the ResourceTrackerService (that sends the response back to the
NM heartbeat) should send a heartbeat interval value back in the response. That value should
be read from config.
                
> Make NodeManagers to NOT blindly heartbeat irrespective of whether previous heartbeat
is processed or not.
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-275
>                 URL: https://issues.apache.org/jira/browse/YARN-275
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Xuan Gong
>         Attachments: Prototype.txt, YARN-270.1.patch
>
>
> We need NMs to back off. The event handler mechanism is very scalable but not infinitely
so :)

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