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https://issues.apache.org/jira/browse/HIVE-21682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon reassigned HIVE-21682:
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> Concurrent queries in tez local mode fail
> -----------------------------------------
>
> Key: HIVE-21682
> URL: https://issues.apache.org/jira/browse/HIVE-21682
> Project: Hive
> Issue Type: Bug
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Major
>
> As noted in TEZ-3420, Hive running with Tez local mode breaks if multiple
> queries are submitted concurrently. As I noted
> [there|https://issues.apache.org/jira/browse/TEZ-3420?focusedCommentId=16831937&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16831937]
> it seems part of the problem is Hive's use of static global state for
> IOContext in the case of Tez. Another issue is the use of a JVM-wide
> ObjectRegistry
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