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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5102) ORC getSplits should create splits based the stripes
Date Thu, 12 Sep 2013 17:48:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13765691#comment-13765691
] 

Hudson commented on HIVE-5102:
------------------------------

FAILURE: Integrated in Hive-trunk-hadoop2 #424 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/424/])
HIVE-5102 : ORC getSplits should create splits based the stripes (Owen Omalley via Ashutosh
Chauhan) (hashutosh: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1522541)
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/ReaderImpl.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/orc/StripeInformation.java
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestInputOutputFormat.java
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcFile.java
* /hive/trunk/shims/src/0.20/java/org/apache/hadoop/hive/shims/Hadoop20Shims.java
* /hive/trunk/shims/src/0.20S/java/org/apache/hadoop/hive/shims/Hadoop20SShims.java
* /hive/trunk/shims/src/0.23/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java
* /hive/trunk/shims/src/common/java/org/apache/hadoop/hive/shims/HadoopShims.java

                
> 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
>    Affects Versions: 0.11.0, 0.12.0
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5102.D12579.1.patch, HIVE-5102.D12579.2.patch, HIVE-5102.D12849.1.patch,
HIVE-5102.D12849.2.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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