[ https://issues.apache.org/jira/browse/PARQUET-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16095614#comment-16095614 ]
Ferdinand Xu commented on PARQUET-41: ------------------------------------- Thanks [~jbapple] for the suggestions. {noformat} As a result, I have seen speedups of 50% to 500% (depending on the operation and filter size) over the fastest other general-purpose Bloom filter I know of. {noformat} Is there any benchmark or reference about this number? > 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 -- This message was sent by Atlassian JIRA (v6.4.14#64029)