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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4312) Add metrics to RM for NM heartbeats
Date Tue, 05 Jun 2012 21:21:24 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jason Lowe updated MAPREDUCE-4312:

    Resolution: Not A Problem
        Status: Resolved  (was: Patch Available)

Closing since these metrics are available in the detailed RPC metrics under NodeHeartbeatNumOps
and NodeHeartbeatAvgTime.

Missed this originally because the RPC detailed metrics for node heartbeats aren't showing
up for me on 0.23.  I'll investigate the cause and file a separate JIRA if necessary.
> Add metrics to RM for NM heartbeats
> -----------------------------------
>                 Key: MAPREDUCE-4312
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4312
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2, resourcemanager
>    Affects Versions: 2.0.0-alpha
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Minor
>         Attachments: MAPREDUCE-4312.patch
> It would be nice to have a metric in the ResourceManager to track the number of NodeManager
heartbeats processed.  The JobTracker in 1.0 has a tasktracker heartbeat metric, and it would
be nice if the RM had the equivalent metric.

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