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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6734) DDL locking too course grained in new db txn manager
Date Wed, 26 Mar 2014 23:54:15 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates updated HIVE-6734:
-----------------------------

    Attachment: HIVE-6734.patch

> 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
>
>         Attachments: HIVE-6734.patch
>
>
> 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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