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https://issues.apache.org/jira/browse/PIG-3602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy reassigned PIG-3602:
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Assignee: Rohini Palaniswamy
> Tear down TezSessions when Pig exits
> ------------------------------------
>
> Key: PIG-3602
> URL: https://issues.apache.org/jira/browse/PIG-3602
> Project: Pig
> Issue Type: Sub-task
> Components: tez
> Affects Versions: tez-branch
> Reporter: Cheolsoo Park
> Assignee: Rohini Palaniswamy
> Fix For: tez-branch
>
>
> Currently, Pig reuses AMs via TezSession, but they are not shut down when Pig
> exits. There are two problems that I noticed with this-
> # Tez jobs are not marked as finished until TezSessions are expired after
> timeout. Since they occupy task slots, it blocks submitting jobs.
> # ant clean test-tez leaves orphan processes (DAGAppMaster).
> Ideally, TezSession should be kept alive while Pig runs but tore down when
> Pig exits.
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