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https://issues.apache.org/jira/browse/MAPREDUCE-209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-209.
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Resolution: Fixed
Closing this as stale.
> Support for metrics aggregation module in JobTracker
> ----------------------------------------------------
>
> Key: MAPREDUCE-209
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-209
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Senthil Subramanian
>
> JobTracker should support starting up and shutting down a generic metrics
> aggregation module. We are currently thinking about plugging in a module that
> gets time series data from the task trackers, aggregates it and log this data
> into a global DFS so that it is analysed later (even after the map reduce
> cluster is shutdown). Some of this data can also be plotted on the JobTracker
> UI in realtime. This is particulary useful for analyzing data from dynamic
> mapreduce cluster like the ones deployed using HOD.
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