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Posted to mapreduce-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/03/15 22:54:29 UTC

[jira] Updated: (MAPREDUCE-2355) Add an out of band heartbeat damper

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated MAPREDUCE-2355:
-----------------------------------

    Attachment: mr-2355-from-sec-branch.txt

Attaching the patch from the security branch, plus added the new config parameter to mapred-default with an explanation of what the values mean.

> 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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