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https://issues.apache.org/jira/browse/HIVE-20941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695102#comment-16695102
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Eugene Koifman commented on HIVE-20941:
---------------------------------------

+1

 

> Compactor produces a delete_delta_x_y even if there are no input delete events
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-20941
>                 URL: https://issues.apache.org/jira/browse/HIVE-20941
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 3.0.0
>            Reporter: Eugene Koifman
>            Assignee: Igor Kryvenko
>            Priority: Major
>         Attachments: HIVE-20941.01.patch, HIVE-20941.02.patch
>
>
> see example in HIVE-20901
>  
> Probably change logic in CompactorMR.CompactorMap.map() which creates delete 
> event writer



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