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https://issues.apache.org/jira/browse/MAPREDUCE-5875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gera Shegalov updated MAPREDUCE-5875:
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Attachment: MAPREDUCE-5875.v03.patch
v03 that
- ignores FileNotFound for job conf in tests
- adds job conf from history for prior to history file parsing.
> Make Counter limits consistent conf 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
> Attachments: MAPREDUCE-5875.v01.patch, MAPREDUCE-5875.v02.patch,
> MAPREDUCE-5875.v03.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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