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https://issues.apache.org/jira/browse/HIVE-10114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-10114:
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Attachment: HIVE-10114.3.patch
Some clean up. Test case fixes. And hive conf description changes based on
Gopal's comment.
> Split strategies for ORC
> ------------------------
>
> Key: HIVE-10114
> URL: https://issues.apache.org/jira/browse/HIVE-10114
> 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,
> HIVE-10114.3.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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