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https://issues.apache.org/jira/browse/HIVE-20737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655398#comment-16655398
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Sahil Takiar commented on HIVE-20737:
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{quote} As the separate JIRA we are planning to refactor SparkSession
open/submit functionality to be an atomic unit. {quote} Can you explain what
this means?
> Local SparkContext is shared between user sessions and should be closed only
> when there is no active
> ----------------------------------------------------------------------------------------------------
>
> Key: HIVE-20737
> URL: https://issues.apache.org/jira/browse/HIVE-20737
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Denys Kuzmenko
> Assignee: Denys Kuzmenko
> Priority: Major
> Attachments: HIVE-20737.1.patch, HIVE-20737.10.patch,
> HIVE-20737.11.patch, HIVE-20737.12.patch, HIVE-20737.2.patch,
> HIVE-20737.5.patch, HIVE-20737.6.patch, HIVE-20737.7.patch,
> HIVE-20737.8.patch, HIVE-20737.9.patch
>
>
> 1. Local SparkContext is shared between user sessions and should be closed
> only when there is no active.
> 2. Possible race condition in SparkSession.open() in case when user queries
> run in parallel within the same session.
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