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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2018/04/26 17:48:00 UTC

[jira] [Resolved] (PHOENIX-4694) Prevent locking of parent table when dropping view to reduce contention

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

James Taylor resolved PHOENIX-4694.
-----------------------------------
    Resolution: Fixed

> 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
>            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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