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https://issues.apache.org/jira/browse/HIVE-20707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656835#comment-16656835
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Hive QA commented on HIVE-20707:
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| (x) *{color:red}-1 overall{color}* |
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| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m 13s{color} 
| {color:red} 
/data/hiveptest/logs/PreCommit-HIVE-Build-14566/patches/PreCommit-HIVE-Build-14566.patch
 does not apply to master. Rebase required? Wrong Branch? See 
http://cwiki.apache.org/confluence/display/Hive/HowToContribute for help. 
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| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14566/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


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> Automatic partition management
> ------------------------------
>
>                 Key: HIVE-20707
>                 URL: https://issues.apache.org/jira/browse/HIVE-20707
>             Project: Hive
>          Issue Type: New Feature
>    Affects Versions: 4.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-20702.3.patch, HIVE-20707.1.patch, 
> HIVE-20707.2.patch, HIVE-20707.4.patch, HIVE-20707.5.patch, HIVE-20707.6.patch
>
>
> In current scenario, to add partitions for external tables to metastore, MSCK 
> REPAIR command has to be executed manually. To avoid this manual step, 
> external tables can be specified a table property based on which a background 
> metastore thread can sync partitions periodically. Tables can also be 
> specified with partition retention period. Any partition whose age exceeds 
> the retention period will be dropped automatically.



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