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From "Remus Rusanu (JIRA)" <>
Subject [jira] [Commented] (HIVE-5998) Add vectorized reader for Parquet files
Date Thu, 03 Apr 2014 07:19:18 GMT


Remus Rusanu commented on HIVE-5998:

[~brocknoland] [~jnp] I was ready to commit this (all failures so far are no-repro, not patch
related and random) but I realized this does not have an official +1 from a  reviewer. Can
you guys have a last look and say yea or nay?

> Add vectorized reader for Parquet files
> ---------------------------------------
>                 Key: HIVE-5998
>                 URL:
>             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-5998.10.patch, HIVE-5998.11.patch, HIVE-5998.12.patch,
HIVE-5998.13.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-5998.9.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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