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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5091) ORC files should have an option to pad stripes to the HDFS block boundaries
Date Fri, 23 Aug 2013 15:23:52 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HIVE-5091:
------------------------------

    Attachment: HIVE-5091.D12249.2.patch

omalley updated the revision "HIVE-5091 [jira] ORC files should have an option to pad stripes
to the HDFS block boundaries".

  Fixed default value for the orc file version to write.

Reviewers: JIRA

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

CHANGE SINCE LAST DIFF
  https://reviews.facebook.net/D12249?vs=37887&id=38865#toc

AFFECTED FILES
  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
  ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcFile.java
  ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcOutputFormat.java
  ql/src/java/org/apache/hadoop/hive/ql/io/orc/ReaderImpl.java
  ql/src/java/org/apache/hadoop/hive/ql/io/orc/WriterImpl.java
  ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestNewIntegerEncoding.java
  ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcFile.java
  ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcNullOptimization.java

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, HIVE-5091.D12249.2.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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