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Posted to issues@hive.apache.org by "Karen Coppage (Jira)" <ji...@apache.org> on 2020/08/07 07:41:00 UTC

[jira] [Assigned] (HIVE-24015) Disable query-based compaction on MR execution engine

     [ https://issues.apache.org/jira/browse/HIVE-24015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karen Coppage reassigned HIVE-24015:
------------------------------------


> Disable query-based compaction on MR execution engine
> -----------------------------------------------------
>
>                 Key: HIVE-24015
>                 URL: https://issues.apache.org/jira/browse/HIVE-24015
>             Project: Hive
>          Issue Type: Task
>            Reporter: Karen Coppage
>            Assignee: Karen Coppage
>            Priority: Major
>
> Major compaction can be run when the execution engine is MR. This can cause data loss a la HIVE-23703 (the fix for data loss when the execution engine is MR was reverted by HIVE-23763).
> Currently minor compaction can only be run when the execution engine is Tez, otherwise it falls back to MR (non-query-based) compaction. We should extend this functionality to major compaction as well.



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