[jira] [Comment Edited] (PHOENIX-3858) Index maintenance not required for local indexes of table with immutable rows

["Mujtaba Chohan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PHOENIX-3858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16014643#comment-16014643 ] 

Mujtaba Chohan edited comment on PHOENIX-3858 at 5/17/17 7:14 PM:
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Updated PHOENIX-3853 with results for mutable local index. For mutable case there is no 2X degradation comparing mutable local vs global index *without* PHOENIX-3827 patch applied.


was (Author: mujtabachohan):
Updated PHOENIX-3853 with results for mutable local index. There is no 2X degradation comparing mutable local vs global index without PHOENIX-3827 patch applied.

> 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
>
>
> 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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