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Posted to dev@hive.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2019/05/02 20:34:00 UTC

[jira] [Created] (HIVE-21682) Concurrent queries in tez local mode fail

Todd Lipcon created HIVE-21682:
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             Summary: 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


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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