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From "Igor Kryvenko (JIRA)" <>
Subject [jira] [Commented] (HIVE-12342) Set default value of hive.optimize.index.filter to true
Date Tue, 17 Jul 2018 09:21:00 GMT


Igor Kryvenko commented on HIVE-12342:

[~djaiswal] I don't think that it changes product behavior. It wasn't done to make tests pass
it was done because it made unstably execution plan for the {{TezCompiler}} . This change
affects nothing except Tez. As far as I understand it doesn't regress performance or anything else,
anyway it looks odd that we have the different plans for the same query.

Thanks, Igor.

> Set default value of hive.optimize.index.filter to true
> -------------------------------------------------------
>                 Key: HIVE-12342
>                 URL:
>             Project: Hive
>          Issue Type: Task
>          Components: Configuration
>            Reporter: Ashutosh Chauhan
>            Assignee: Igor Kryvenko
>            Priority: Major
>             Fix For: 4.0.0
>         Attachments: HIVE-12342.05.patch, HIVE-12342.06.patch, HIVE-12342.07.patch, HIVE-12342.08.patch,
HIVE-12342.09.patch, HIVE-12342.1.patch, HIVE-12342.10.patch, HIVE-12342.11.patch, HIVE-12342.12.patch,
HIVE-12342.13.patch, HIVE-12342.14.patch, HIVE-12342.15.patch, HIVE-12342.16.patch, HIVE-12342.17.patch,
HIVE-12342.18.patch, HIVE-12342.19.patch, HIVE-12342.2.patch, HIVE-12342.20.patch, HIVE-12342.21.patch,
HIVE-12342.22.patch, HIVE-12342.23.patch, HIVE-12342.24.patch, HIVE-12342.3.patch, HIVE-12342.4.patch,
> This configuration governs ppd for storage layer. When applicable, it will always help.
It should be on by default.

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