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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-3953) Clear INDEX_DISABLED_TIMESTAMP and disable index on compaction
Date Fri, 25 Aug 2017 19:01:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-3953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142037#comment-16142037
] 

James Taylor commented on PHOENIX-3953:
---------------------------------------

The INDEX_DISABLE_TIMESTAMP is only set for mutable indexes. It'll be 0 for immutable indexes
(unless we start to support partial rebuild for immutable tables in which case we'd want this
logic to occur).

> Clear INDEX_DISABLED_TIMESTAMP and disable index on compaction
> --------------------------------------------------------------
>
>                 Key: PHOENIX-3953
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3953
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>              Labels: globalMutableSecondaryIndex
>             Fix For: 4.12.0
>
>         Attachments: PHOENIX-3953.patch, PHOENIX-3953_v2.patch
>
>
> To guard against a compaction occurring (which would potentially clear delete markers
and puts that the partial index rebuild process counts on to properly catch up an index with
the data table), we should clear the INDEX_DISABLED_TIMESTAMP and mark the index as disabled.
This could be done in the post compaction coprocessor hook. At this point, a manual rebuild
of the index would be required.



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