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From "Adam Szita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21035) Race condition in SparkUtilities#getSparkSession
Date Thu, 13 Dec 2018 10:30:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720019#comment-16720019
] 

Adam Szita commented on HIVE-21035:
-----------------------------------

+1, patch [^HIVE-21035.02.patch] looks good 

> Race condition in SparkUtilities#getSparkSession
> ------------------------------------------------
>
>                 Key: HIVE-21035
>                 URL: https://issues.apache.org/jira/browse/HIVE-21035
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>    Affects Versions: 4.0.0
>            Reporter: Antal Sinkovits
>            Assignee: Antal Sinkovits
>            Priority: Major
>         Attachments: HIVE-21035.01.patch, HIVE-21035.02.patch
>
>
> It can happen, that when in one given session, multiple queries are executed, that due
to a race condition, multiple spark application master gets kicked off.
> In this case, the one that started earlier, will not be killed, when the hive session
closes, consuming resources.



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