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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5091) ORC files should have an option to pad stripes to the HDFS block boundaries
Date Thu, 22 Aug 2013 02:03:53 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747154#comment-13747154
] 

Phabricator commented on HIVE-5091:
-----------------------------------

hagleitn has commented on the revision "HIVE-5091 [jira] ORC files should have an option to
pad stripes to the HDFS block boundaries".

  LGTM. I like the new WriterOptions. Nice and clean. +1

REVISION DETAIL
  https://reviews.facebook.net/D12249

To: JIRA, omalley
Cc: hagleitn

                
> ORC files should have an option to pad stripes to the HDFS block boundaries
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-5091
>                 URL: https://issues.apache.org/jira/browse/HIVE-5091
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: HIVE-5091.D12249.1.patch
>
>
> With ORC stripes being large, if a stripe straddles an HDFS block, the locality of read
is suboptimal. It would be good to add padding to ensure that stripes don't straddle HDFS
blocks.

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