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https://issues.apache.org/jira/browse/PARQUET-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367660#comment-14367660
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Prateek Rungta commented on PARQUET-41:
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ORC implemented bloom filters recently. Their design doc - [1] - is worth a
gander.
[1]: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+ORC
> Add bloom filters to parquet statistics
> ---------------------------------------
>
> Key: PARQUET-41
> URL: https://issues.apache.org/jira/browse/PARQUET-41
> Project: Parquet
> Issue Type: New Feature
> Components: parquet-format, parquet-mr
> Reporter: Alex Levenson
> Assignee: ferdinand xu
> Labels: filter2
>
> For row groups with no dictionary, we could still produce a bloom filter.
> This could be very useful in filtering entire row groups.
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