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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2018/10/12 01:25:00 UTC

[jira] [Updated] (HIVE-20707) Automatic partition management

     [ https://issues.apache.org/jira/browse/HIVE-20707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prasanth Jayachandran updated HIVE-20707:
-----------------------------------------
    Summary: Automatic partition management  (was: Retention policies for partitioned tables)

> 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-20707.1.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 (for retention policy) based on which a background metastore thread can add/drop/sync partitions periodically. The retention policy can be generically extended to managed tables as well (provided appropriate locks are obtained for adding and dropping partitions)



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