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Posted to dev@hive.apache.org by "Ferdinand Xu (JIRA)" <ji...@apache.org> on 2014/12/18 03:14:13 UTC

[jira] [Assigned] (HIVE-8136) Finer grained locking

     [ https://issues.apache.org/jira/browse/HIVE-8136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ferdinand Xu reassigned HIVE-8136:
----------------------------------

    Assignee: Ferdinand Xu

> Finer grained locking
> ---------------------
>
>                 Key: HIVE-8136
>                 URL: https://issues.apache.org/jira/browse/HIVE-8136
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Brock Noland
>            Assignee: Ferdinand Xu
>
> When using ZK for concurrency control, some statements require an exclusive table lock when they are atomic. Such as setting a tables location.
> This JIRA is to analyze the scope of statements like ALTER TABLE and see if we can reduce the locking required.



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