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https://issues.apache.org/jira/browse/MAPREDUCE-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ahmed Radwan updated MAPREDUCE-2836:
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Attachment: MAPREDUCE-2836_rev4.patch
Many thanks Todd for your comments!
I have updated the patch.
I have addressed your comments in the updated patch (attached). Regarding the
getPool() methods, I agree it's a little confusing, but for compatibility I
didn't want to change the signature of this public method. Based on your
comment, I have modified the java docs for both methods to make their
functionality clearer and avoid any confusion.
> Provide option to fail jobs when submitted to non-existent pools.
> -----------------------------------------------------------------
>
> Key: MAPREDUCE-2836
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2836
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/fair-share
> Reporter: Jeff Bean
> Assignee: Ahmed Radwan
> Priority: Minor
> Attachments: MAPREDUCE-2836.patch, MAPREDUCE-2836_rev2.patch,
> MAPREDUCE-2836_rev3.patch, MAPREDUCE-2836_rev4.patch
>
>
> In some environments, it might be desirable to explicitly specify the fair
> scheduler pools and to explicitly fail jobs that are not submitted to any of
> the pools.
> Current behavior of the fair scheduler is to submit jobs to a default pool if
> a pool name isn't specified or to create a pool with the new name if the pool
> name doesn't already exist. There should be a configuration option for the
> fair scheduler that causes it to noisily fail the job if it's submitted to a
> pool that isn't pre-specified or if the specified pool doesn't exist.
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