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From "Lianhui Wang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2355) Add an out of band heartbeat damper
Date Wed, 16 Mar 2011 14:41:29 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13007490#comment-13007490
] 

Lianhui Wang commented on MAPREDUCE-2355:
-----------------------------------------

i think it is important when the next heartbeat should occur.
how to compute the time interval? that is decided by the different job of the requirements.


> Add an out of band heartbeat damper
> -----------------------------------
>
>                 Key: MAPREDUCE-2355
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2355
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>            Reporter: Owen O'Malley
>            Assignee: Arun C Murthy
>         Attachments: mr-2355-from-sec-branch.txt
>
>
> We should have a configurable knob to throttle how many out of band heartbeats are sent.

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