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From "Vincent Poon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-3953) Clear INDEX_DISABLED_TIMESTAMP and disable index on compaction
Date Wed, 06 Sep 2017 17:17:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-3953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16155722#comment-16155722
] 

Vincent Poon commented on PHOENIX-3953:
---------------------------------------

[~jamestaylor] Is there a way for us to signal that this happened, perhaps by setting the
indexDisableTimestamp to a special negative value?  At a minimum, I think we should add a
log line to indicate this.  Otherwise from an operator perspective, we would see a disabled
index and have to triage why the rebuilder didn't fix it.

> 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_addendum1.patch, 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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