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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11043) ORC split strategies should adapt based on number of files
Date Wed, 24 Jun 2015 03:16:42 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598799#comment-14598799
] 

Pengcheng Xiong commented on HIVE-11043:
----------------------------------------

[~prasanth_j] and [~gopalv], [~jpullokkaran] asked me to track the recent constant test cases
failing on master and I came here. It seems that this patch causes the problem. At the first
sight, authorization_delete.q sounds unrelated. However, it includes creating a table stored
as ORC. If I revert this patch, the test cases can pass. Could you guys take a look? Thanks.

> ORC split strategies should adapt based on number of files
> ----------------------------------------------------------
>
>                 Key: HIVE-11043
>                 URL: https://issues.apache.org/jira/browse/HIVE-11043
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Gopal V
>             Fix For: 2.0.0
>
>         Attachments: HIVE-11043.1.patch, HIVE-11043.2.patch
>
>
> ORC split strategies added in HIVE-10114 chose strategies based on average file size.
It would be beneficial to choose a different strategy based on number of files as well.



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