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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (PHOENIX-4694) Prevent locking of parent table when dropping view to reduce contention
Date Thu, 26 Apr 2018 17:48:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor reassigned PHOENIX-4694:
-------------------------------------

    Assignee: James Taylor

> Prevent locking of parent table when dropping view to reduce contention
> -----------------------------------------------------------------------
>
>                 Key: PHOENIX-4694
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4694
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>            Priority: Major
>             Fix For: 4.14.0, 5.0.0
>
>         Attachments: PHOENIX-4694.patch, PHOENIX-4694_v2.patch
>
>
> When there are many views with the same parent table, there's a lot of contention when
adding new views and dropping existing views. The lock is only necessary when creating/dropping
indexes, so should be removed in the case of views.



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