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From "Feng Yuan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9067) OrcFileMergeOperator may create merge file that does not match properties of input files
Date Mon, 28 Sep 2015 02:33:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14909985#comment-14909985
] 

Feng Yuan commented on HIVE-9067:
---------------------------------

dose this patch really work? i didnt get it work on 0.14. Someone can help me?

> OrcFileMergeOperator may create merge file that does not match properties of input files
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-9067
>                 URL: https://issues.apache.org/jira/browse/HIVE-9067
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0, 0.15.0, 0.14.1
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Minor
>              Labels: Orc
>             Fix For: 1.0.0
>
>         Attachments: HIVE-9067.1.patch, HIVE-9067.2.patch
>
>
> OrcFileMergeOperator creates a new ORC file and appends the stripes from smaller orc
file. This new ORC file creation should retain the same configuration as the small ORC files.
Currently it does not set the orc row index stride and file version. Also merging of stripe
statistics to file statistics was incorrect leading to issues like in HIVE-9080



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