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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2013/10/27 21:24:30 UTC

[jira] [Updated] (HIVE-5663) Refactor ORC RecordReader to operate on direct & wrapped ByteBuffers

     [ https://issues.apache.org/jira/browse/HIVE-5663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V updated HIVE-5663:
--------------------------

    Labels: ORC  (was: )

> Refactor ORC RecordReader to operate on direct & wrapped ByteBuffers
> --------------------------------------------------------------------
>
>                 Key: HIVE-5663
>                 URL: https://issues.apache.org/jira/browse/HIVE-5663
>             Project: Hive
>          Issue Type: Improvement
>          Components: File Formats
>    Affects Versions: 0.13.0
>         Environment: Ubuntu LXC 
>            Reporter: Gopal V
>            Assignee: Gopal V
>              Labels: ORC
>
> The current ORC RecordReader implementation assumes array structures backing the ByteBuffers it passes around between RecordReaderImpl and Compressed/Uncompressed InStream objects.
> This patch attempts to refactor those assumptions out of both classes, allowing the future use of direct byte buffers within ORC (as might come from HDFS zero-copy readers).



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