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From "Micah Whitacre (JIRA)" <>
Subject [jira] [Resolved] (CRUNCH-304) MRPipeline.plan() does not clear up the temporary hadoop-<username> folder it creates
Date Fri, 29 Nov 2013 18:25:38 GMT


Micah Whitacre resolved CRUNCH-304.

    Resolution: Fixed

Change has been pushed to master.

Also using emacs was just to be ornery. :)

> MRPipeline.plan() does not clear up the temporary hadoop-<username> folder it creates
> -------------------------------------------------------------------------------------
>                 Key: CRUNCH-304
>                 URL:
>             Project: Crunch
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.0
>         Environment: Hadoop 2.0.0-cdh4.2.1
> Subversion file:///data/1/jenkins/workspace/generic-package-rhel64-6-0/topdir/BUILD/hadoop-2.0.0-cdh4.2.1/src/hadoop-common-project/hadoop-common
-r 144bd548d481c2774fab2bec2ac2645d190f705b
> Compiled by jenkins on Mon Apr 22 10:26:03 PDT 2013
> From source with checksum aef88defdddfb22327a107fbd7063395
>            Reporter: Ganeshbabu Nelamangala
>            Assignee: Micah Whitacre
>            Priority: Minor
>              Labels: easyfix, newbie, patch
>             Fix For: 0.9.0
>         Attachments: CRUNCH-304.patch, CRUNCH-304_v2.patch
>   Original Estimate: 4h
>  Remaining Estimate: 4h
> As a user i just want to run MRPipeline.plan() to retrieve the PlanningParameters.PIPELINE_PLAN_DOTFILE
for the current pipeline configuration. However it appears that since we don't actually call
run(), the Map that is created to hold outputTargets still has items in it, and the cleanup()
method will not execute under the condition of having elements in it, to delete the tmp directory
that gets created when creating a new MRPipeline object. Since we don't really want to execute
the code if we just want to create a plan then I don't know how we can cleanup this Map. Basically
the temporary hadoop folders left behind is our problem.

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