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From "Arun C Murthy (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2835) Make per-job counter limits configurable
Date Thu, 16 Feb 2012 02:05:04 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13209071#comment-13209071
] 

Arun C Murthy commented on MAPREDUCE-2835:
------------------------------------------

The problem with Counters is that they are per-task and, as a result, blow out the JobTracker
with large jobs.

It's fine to make it admin-configurable (not per-job).
                
> Make per-job counter limits configurable
> ----------------------------------------
>
>                 Key: MAPREDUCE-2835
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2835
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.20.204.0
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: MAPREDUCE-2835.patch, MAPREDUCE-2835.patch
>
>
> The per-job counter limits introduced in MAPREDUCE-1943 are fixed, except for the total
number allowed per job (mapreduce.job.counters.limit). It would be useful to make them all
configurable.

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