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Posted to dev@hive.apache.org by "Remus Rusanu (JIRA)" <ji...@apache.org> on 2014/03/02 09:17:20 UTC

[jira] [Updated] (HIVE-5998) Add vectorized reader for Parquet files

     [ https://issues.apache.org/jira/browse/HIVE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remus Rusanu updated HIVE-5998:
-------------------------------

    Status: Open  (was: Patch Available)

> Add vectorized reader for Parquet files
> ---------------------------------------
>
>                 Key: HIVE-5998
>                 URL: https://issues.apache.org/jira/browse/HIVE-5998
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Serializers/Deserializers, Vectorization
>            Reporter: Remus Rusanu
>            Assignee: Remus Rusanu
>            Priority: Minor
>              Labels: Parquet, vectorization
>         Attachments: HIVE-5998.1.patch, HIVE-5998.2.patch, HIVE-5998.3.patch, HIVE-5998.4.patch, HIVE-5998.5.patch, HIVE-5998.6.patch, HIVE-5998.7.patch, HIVE-5998.8.patch
>
>
> HIVE-5783 is adding native Parquet support in Hive. As Parquet is a columnar format, it makes sense to provide a vectorized reader, similar to how RC and ORC formats have, to benefit from vectorized execution engine.



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