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https://issues.apache.org/jira/browse/HIVE-80?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933378#action_12933378
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Jeff Zhang commented on HIVE-80:
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Does anyone know whether Driver is thread-safe ? If so, each query can been
executed by one Driver.
And I notice that in HWI for each session there is one Driver, it seems Driver
should be thread-safe, just want to ensure about it.
> Add testcases for concurrent query execution
> --------------------------------------------
>
> Key: HIVE-80
> URL: https://issues.apache.org/jira/browse/HIVE-80
> Project: Hive
> Issue Type: Test
> Components: Query Processor
> Reporter: Raghotham Murthy
> Assignee: Arvind Prabhakar
> Priority: Critical
> Attachments: hive_input_format_race-2.patch
>
>
> Can use one driver object per query.
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