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Posted to mapreduce-issues@hadoop.apache.org by "jhanver chand sharma (JIRA)" <ji...@apache.org> on 2014/06/02 07:33:02 UTC

[jira] [Assigned] (MAPREDUCE-5394) Job Counters - ability to perform calculations other than sum

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

jhanver chand sharma reassigned MAPREDUCE-5394:
-----------------------------------------------

    Assignee: jhanver chand sharma

> Job Counters - ability to perform calculations other than sum
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-5394
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5394
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>    Affects Versions: 1.2.0, 2.1.0-beta
>            Reporter: Sheetal Dolas
>            Assignee: jhanver chand sharma
>
> Many a times the applications need to report values as more than sums across tasks. Such as min/max/avg of certain metric or metric grouped by nodes/racks.
> Having this kind of ability in counters will greatly enhance the utility of counters.



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