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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5102) ORC getSplits should create splits based the stripes
Date Wed, 11 Sep 2013 01:11:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763796#comment-13763796
] 

Phabricator commented on HIVE-5102:
-----------------------------------

ashutoshc has accepted the revision "HIVE-5102 [jira] ORC getSplits should create splits based
the stripes".

  +1

REVISION DETAIL
  https://reviews.facebook.net/D12849

BRANCH
  h-5102

ARCANIST PROJECT
  hive

To: JIRA, ashutoshc, omalley

                
> ORC getSplits should create splits based the stripes 
> -----------------------------------------------------
>
>                 Key: HIVE-5102
>                 URL: https://issues.apache.org/jira/browse/HIVE-5102
>             Project: Hive
>          Issue Type: Bug
>          Components: File Formats
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: HIVE-5102.D12579.1.patch, HIVE-5102.D12579.2.patch, HIVE-5102.D12849.1.patch
>
>
> Currently ORC inherits getSplits from FileFormat, which basically makes a split per an
HDFS block. This can create too little parallelism and would be better done by having getSplits
look at the file footer and create splits based on the stripes.

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