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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4057) Do not issue index updates for out of order mutation during index maintenance
Date Wed, 02 Aug 2017 18:38:01 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16111492#comment-16111492
] 

James Taylor commented on PHOENIX-4057:
---------------------------------------

Thanks for the review, [~samarthjain]. Yes, we'll want to release note it. It's not a regression,
though - it wouldn't have worked correctly in the past either.

> Do not issue index updates for out of order mutation during index maintenance 
> ------------------------------------------------------------------------------
>
>                 Key: PHOENIX-4057
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4057
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>             Fix For: 4.12.0, 4.11.1
>
>         Attachments: PHOENIX-4057_v1.patch, PHOENIX-4057_wip1.patch
>
>
> Index maintenance is not correct when rows arrive out of order (see PHOENIX-4052). In
particular, out of order deletes end up with a spurious Put in the index. Rather than corrupt
the secondary index, we can instead just ignore out-of-order mutations. The only downside
is that point-in-time queries against an index will not work correctly.



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