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Posted to dev@parquet.apache.org by "Ryan Blue (JIRA)" <ji...@apache.org> on 2015/04/03 00:29:53 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=14393604#comment-14393604 ] 

Ryan Blue commented on PARQUET-41:
----------------------------------

[~Ferd] does the info about ORC or the paper help at all?

> 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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