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https://issues.apache.org/jira/browse/HIVE-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040568#comment-14040568
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Ashutosh Chauhan commented on HIVE-7237:
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+1
> hive.exec.parallel=true w/ Hive 0.13/Tez causes application to linger forever
> -----------------------------------------------------------------------------
>
> Key: HIVE-7237
> URL: https://issues.apache.org/jira/browse/HIVE-7237
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 0.13.0
> Environment: HDP 2.1, Hive 0.13, SLES 11, 128GB data nodes, ORC SNAPPY
> Reporter: Douglas Moore
> Assignee: Navis
> Attachments: HIVE-7237.1.patch.txt, HIVE-7237.2.patch.txt
>
>
> set hive.exec.parallel=true; will cause the Yarn application instance to
> linger
> forever. set hive.exec.parallel=false, the application goes away as soon as
> hive query is complete. The underlying table is an ORC store_sales table
> compressed with SNAPPY.
> {code}
> hive.exec.parallel=true;
> select * from store_sales where ss_ticket_number=5741230 and ss_item_sk=4825
> {code}
> The query will run under Tez and finish << 30 seconds.
> After 30-40 of these jobs the cluster gets to a point where no jobs will
> finish.
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