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Posted to mapreduce-issues@hadoop.apache.org by "Robert Kanter (JIRA)" <ji...@apache.org> on 2015/03/24 00:26:53 UTC
[jira] [Commented] (MAPREDUCE-5875) Make Counter limits consistent
across JobClient, MRAppMaster, and YarnChild
[ https://issues.apache.org/jira/browse/MAPREDUCE-5875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14376897#comment-14376897 ]
Robert Kanter commented on MAPREDUCE-5875:
------------------------------------------
It looks like this patch breaks {{mapred job -status <job-id>}}. See MAPREDUCE-6288.
> Make Counter limits consistent across JobClient, MRAppMaster, and YarnChild
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-5875
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5875
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster, client, task
> Affects Versions: 2.4.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Fix For: 2.7.0
>
> Attachments: MAPREDUCE-5875.v01.patch, MAPREDUCE-5875.v02.patch, MAPREDUCE-5875.v03.patch, MAPREDUCE-5875.v04.patch, MAPREDUCE-5875.v05.patch, MAPREDUCE-5875.v06.patch, MAPREDUCE-5875.v07.patch, MAPREDUCE-5875.v08.patch, MAPREDUCE-5875.v09.patch
>
>
> 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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