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Date: Mon, 16 Jun 2014 15:02:02 +0000 (UTC)
From: "Douglas Moore (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12721430.1402930882800.137790.1402930922318@arcas>
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Subject: [jira] [Created] (HIVE-7237) hive.exec.parallel=true w/ Hive
 0.13/Tez causes application to linger forever
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Douglas Moore created HIVE-7237:
-----------------------------------

             Summary: 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


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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