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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/12/07 23:28:00 UTC

[jira] [Updated] (HIVE-17710) LockManager should only lock Managed tables

     [ https://issues.apache.org/jira/browse/HIVE-17710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eugene Koifman updated HIVE-17710:
----------------------------------
    Summary: LockManager should only lock Managed tables  (was: LockManager and External tables)

> LockManager should only lock Managed tables
> -------------------------------------------
>
>                 Key: HIVE-17710
>                 URL: https://issues.apache.org/jira/browse/HIVE-17710
>             Project: Hive
>          Issue Type: New Feature
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>
> should the LM take locks on External tables?  Out of the box Acid LM is being conservative which can cause throughput issues.
> A better strategy may be to exclude External tables but enable explicit "lock table/partition <lock mode>" command (only on external tables?).



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