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Posted to dev@parquet.apache.org by "Junjie Chen (JIRA)" <ji...@apache.org> on 2017/08/28 01:06:00 UTC
[jira] [Commented] (PARQUET-41) Add bloom filters to parquet
statistics
[ https://issues.apache.org/jira/browse/PARQUET-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16143288#comment-16143288 ]
Junjie Chen commented on PARQUET-41:
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Add related [design doc|https://docs.google.com/document/d/1mIZ0W24Cr79QHJWN1sQ3dIUc4lAK5AVqozwSwtpFhW8/edit#heading=h.hmt1hrab3fpc].
> 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.
> Pull request:
> https://github.com/apache/parquet-mr/pull/215
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