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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15764) Tez session doesn't get released TezSessionPool on query cancellation
Date Tue, 31 Jan 2017 23:00:52 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847692#comment-15847692
] 

Siddharth Seth commented on HIVE-15764:
---------------------------------------

[~thejas] - HIVE-15731 was similar? Is this being seen after that as well?

> Tez session doesn't get released TezSessionPool on query cancellation
> ---------------------------------------------------------------------
>
>                 Key: HIVE-15764
>                 URL: https://issues.apache.org/jira/browse/HIVE-15764
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: 1.2.1, 2.1.1
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>         Attachments: HIVE-15764.1.patch
>
>
> With HiveServer2, tez execution engine, and hive.server2.tez.initialize.default.sessions=true,
if a query is cancelled via jdbc, the tez session doesn't get released back to the session
pool.
> This can cause the query processing of new queries to get stuck, waiting for a tez session
to be available.



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