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https://issues.apache.org/jira/browse/PIG-2871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13433555#comment-13433555
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Dmitriy V. Ryaboy commented on PIG-2871:
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+1
#shipit
> Refactor signature for PigReducerEstimator
> ------------------------------------------
>
> Key: PIG-2871
> URL: https://issues.apache.org/jira/browse/PIG-2871
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.11
> Reporter: Bill Graham
> Assignee: Bill Graham
> Attachments: PIG-2871.1.patch, PIG-2871.2.patch
>
>
> The signature to this method should be refactored to provide more context so
> the implementer has access to the map and reduce plans. Also passing both
> {{Job}} and {{Configuration}} is redundant, since the latter can be obtained
> by the former.
> I propose changing this:
> {noformat}
> int estimateNumberOfReducers(Configuration conf, List<POLoad> lds, Job job)
> throws IOException;
> {noformat}
> To this:
> {noformat}
> int estimateNumberOfReducers(Job job, MapReduceOper mapReduceOper) throws
> IOException;
> {noformat}
> This interface is evolving and hasn't yet been released so this is safe.
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