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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2019/03/15 19:37:00 UTC

[jira] [Updated] (HIVE-21457) Perf optimizations in ORC split-generation

     [ https://issues.apache.org/jira/browse/HIVE-21457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prasanth Jayachandran updated HIVE-21457:
-----------------------------------------
    Summary: Perf optimizations in ORC split-generation  (was: Perf optimizations in split-generation)

> Perf optimizations in ORC split-generation
> ------------------------------------------
>
>                 Key: HIVE-21457
>                 URL: https://issues.apache.org/jira/browse/HIVE-21457
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 4.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Minor
>
> Minor split generation optimizations
>  * Reuse vectorization checks
>  * Reuse isAcid checks
>  * Reuse filesystem objects
>  * Improved logging (log at top-level instead of inside the thread pool)



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