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Posted to dev@hive.apache.org by "Alan Gates (JIRA)" <ji...@apache.org> on 2014/03/25 00:20:44 UTC

[jira] [Commented] (HIVE-6734) DDL locking too course grained in new db txn manager

    [ https://issues.apache.org/jira/browse/HIVE-6734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13945853#comment-13945853 ] 

Alan Gates commented on HIVE-6734:
----------------------------------

[~rhbutani] This needs to be in 0.13 as well.

> DDL locking too course grained in new db txn manager
> ----------------------------------------------------
>
>                 Key: HIVE-6734
>                 URL: https://issues.apache.org/jira/browse/HIVE-6734
>             Project: Hive
>          Issue Type: Bug
>          Components: Locking
>    Affects Versions: 0.13.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>             Fix For: 0.13.0
>
>
> All DDL operations currently acquire an exclusive lock.  This is too course grained, as some operations like alter table add partition shouldn't get an exclusive lock on the entire table.



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