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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-3858) Index maintenance not required for local indexes of table with immutable rows
Date Thu, 18 May 2017 17:18:04 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-3858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor updated PHOENIX-3858:
----------------------------------
    Attachment: PHOENIX-3858_v2.patch

Patch that ensures scans aren't done to lookup old row values for immutable data. Please review,
[~rajeshbabu].

> Index maintenance not required for local indexes of table with immutable rows
> -----------------------------------------------------------------------------
>
>                 Key: PHOENIX-3858
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3858
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Rajeshbabu Chintaguntla
>            Assignee: Rajeshbabu Chintaguntla
>             Fix For: 4.11.0
>
>         Attachments: PHOENIX-3858.patch, PHOENIX-3858_v2.patch
>
>
> While preparing index mutations we are are scanning data region for index maintenance
which is not required in case of immutable rows. This optimisation is very helpful for local
indexes which got removed in the recent changes.
> FYI [~jamestaylor] [~mujtabachohan] Found this while checking PHOENIX-3853. 



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