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From "Prasanth Jayachandran (JIRA)" <>
Subject [jira] [Updated] (HIVE-10114) Split strategies for ORC
Date Fri, 27 Mar 2015 21:10:53 GMT


Prasanth Jayachandran updated HIVE-10114:
    Attachment: HIVE-10114.2.patch

Fix test failures.

> Split strategies for ORC
> ------------------------
>                 Key: HIVE-10114
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 1.2.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-10114.1.patch, HIVE-10114.2.patch
> ORC split generation does not have clearly defined strategies for different scenarios
(many small orc files, few small orc files, many large files etc.). Few strategies like storing
the file footer in orc split, making entire file as a orc split already exists. This JIRA
to make the split generation simpler, support different strategies for various use cases (BI,
ETL, ACID etc.) and to lay the foundation for HIVE-7428.

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