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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2019/05/20 15:58:00 UTC

[jira] [Updated] (HIVE-21646) Tez: Prevent TezTasks from escaping thread logging context

     [ https://issues.apache.org/jira/browse/HIVE-21646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V updated HIVE-21646:
---------------------------
    Attachment: HIVE-21646.1.patch

> Tez: Prevent TezTasks from escaping thread logging context
> ----------------------------------------------------------
>
>                 Key: HIVE-21646
>                 URL: https://issues.apache.org/jira/browse/HIVE-21646
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Major
>         Attachments: HIVE-21646.1.patch, HIVE-21646.1.patch
>
>
> If hive.exec.parallel is set to true to parallelize MoveTasks or StatsTasks, the Tez task does not benefit from a new thread and will lose all the thread context of the current query.
> Multiple threads even if they are spawned, will lock on SyncDagClient & make progress sequentially.



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