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