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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11546) Projected columns read size should be scaled to split size for ORC Splits
Date Thu, 13 Aug 2015 08:56:46 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694912#comment-14694912
] 

Prasanth Jayachandran commented on HIVE-11546:
----------------------------------------------

[~gopalv] Can you take a look at the changes? Its related to column size estimator patch.

> Projected columns read size should be scaled to split size for ORC Splits
> -------------------------------------------------------------------------
>
>                 Key: HIVE-11546
>                 URL: https://issues.apache.org/jira/browse/HIVE-11546
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-11546.1.patch
>
>
> HIVE-10114 added projected columns data size information to OrcSplit which Tez Split
Grouper can take advantage off (HIVE-7428). The annotated data size was for entire file and
was not scaled to the split size. 



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