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https://issues.apache.org/jira/browse/HIVE-22859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran reassigned HIVE-22859:
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> Tez external sessions are leaking
> ---------------------------------
>
> Key: HIVE-22859
> URL: https://issues.apache.org/jira/browse/HIVE-22859
> Project: Hive
> Issue Type: Bug
> Affects Versions: 4.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Major
>
> When Tez external/unmanaged sessions are used, TezSessionPoolManager "opens"
> the session using ApplicationId which is essentially connecting to existing
> external/unmanaged session. But when the session is returned it is not closed
> (close for external session is essentially releasing it from sessions list
> and not really killing the session). If a session is not closed, it is never
> removed from openSessions linked list that HS2 maintains hence leaking the
> session.
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