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https://issues.apache.org/jira/browse/HIVE-25115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17568601#comment-17568601
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Karen Coppage commented on HIVE-25115:
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That's right, a better way to say this is: "queue entry remains in the queue." 

> Compaction queue entries may accumulate in "ready for cleaning" state
> ---------------------------------------------------------------------
>
>                 Key: HIVE-25115
>                 URL: https://issues.apache.org/jira/browse/HIVE-25115
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Karen Coppage
>            Assignee: Denys Kuzmenko
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 4h 20m
>  Remaining Estimate: 0h
>
> If the Cleaner does not delete any files, the compaction queue entry is 
> thrown back to the queue and remains in "ready for cleaning" state.
> Problem: If 2 compactions run on the same table and enter "ready for 
> cleaning" state at the same time, only one "cleaning" will remove obsolete 
> files, the other entry will remain in the queue in "ready for cleaning" state.



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