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https://issues.apache.org/jira/browse/CRUNCH-405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Micah Whitacre reassigned CRUNCH-405:
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Assignee: (was: Josh Wills)
> Explore adding support for idempotent MRPipeline.plan()
> -------------------------------------------------------
>
> Key: CRUNCH-405
> URL: https://issues.apache.org/jira/browse/CRUNCH-405
> Project: Crunch
> Issue Type: Improvement
> Components: Core
> Reporter: Micah Whitacre
>
> Talking through a use case with a consumer, they were interested in having
> the ability to run the MRPipeline.plan() method one to many times prior to
> ever calling the Pipeline.run/done methods. The reason for this was they
> were looking at pulling information off the MRExecutor to tweak settings
> inside of their DoFns.
> Currently the MRPipeline implementation however does not have an idempotent
> plan() method as it alters the state of internal values therefore affecting
> the full run once done() is called.
> It would be nice if we added an idempotent plan() method that could be gather
> this information or perhaps a reset option.
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