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From "Jianguo Tian (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6925) CLONE - Make Counter limits consistent across JobClient, MRAppMaster, and YarnChild
Date Wed, 18 Jul 2018 07:23:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16547478#comment-16547478
] 

Jianguo Tian commented on MAPREDUCE-6925:
-----------------------------------------

Is this issue has been solved now? [https://issues.apache.org/jira/browse/MAPREDUCE-5875|MAPREDUCE-5875]
make me confused. From my test, this problem still exists. If we set "mapreduce.job.counters.max" 
parameter on the client side, will it work or not?

> CLONE - Make Counter limits consistent across JobClient, MRAppMaster, and YarnChild
> -----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6925
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6925
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, client, task
>    Affects Versions: 2.4.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>            Priority: Major
>
> Currently, counter limits "mapreduce.job.counters.*" handled by {{org.apache.hadoop.mapreduce.counters.Limits}}
are initialized asymmetrically: on the client side, and on the AM, job.xml is ignored whereas
it's taken into account in YarnChild.
> It would be good to make the Limits job-configurable, such that max counters/groups is
only increased when needed. With the current Limits implementation relying on static constants,
it's going to be challenging for tools that submit jobs concurrently  without resorting to
class loading isolation.
> The patch that I am uploading is not perfect but demonstrates the issue. 



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