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https://issues.apache.org/jira/browse/MAPREDUCE-1291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat reassigned MAPREDUCE-1291:
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Assignee: Amar Kamat
> JobTracker fails to remove setup tip mapping from taskidToTIPMap if the job
> gets killed before the setup returns
> ----------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1291
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1291
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Priority: Critical
>
> Here is the scenario :
> 1) job inits
> 2) setup task is launched on tt1 and an entry is made in taskidToTIPMap
> 3) job is killed
> 4) cleanup gets launched on tt2
> 5) cleanup returns KILLING the job and removing all the *completed*
> setup/map/reduce task mappings from taskidToTIPMap. Here the setup is still
> RUNNING state.
> 6) job retires and all the map/reduce mappings from taskidToTIPMap are removed
>
> In the end the setup tip still lingers in the taskidToTIPMap map. Because of
> the backreference from the tip to jip, the whole job stays in memory forever.
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