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https://issues.apache.org/jira/browse/HIVE-24015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karen Coppage resolved HIVE-24015.
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Fix Version/s: 4.0.0
Resolution: Fixed
Committed to master Aug 13th.
> 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
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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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