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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/10/28 00:39:27 UTC

[jira] [Updated] (DRILL-3972) Vectorize Parquet Writer

     [ https://issues.apache.org/jira/browse/DRILL-3972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-3972:
----------------------------------
    Assignee: Andrew Musselman

> Vectorize Parquet Writer
> ------------------------
>
>                 Key: DRILL-3972
>                 URL: https://issues.apache.org/jira/browse/DRILL-3972
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Parquet
>            Reporter: Julien Le Dem
>            Assignee: Andrew Musselman
>              Labels: pick-me-up
>
> Currently the [ParquetRecordWriter|https://github.com/apache/drill/blob/a98da39dd5a8fa368afd8765f4e981826bbfcc0f/exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetRecordWriter.java] receives one record at a time and then turns that into columns.
> Which means we convert from Drill columns to rows and then to Parquet columns.
> Instead we could directly convert the Drill columns into Parquet columns in a vectorized manner.



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