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Posted to issues@kudu.apache.org by "Bankim Bhavsar (Jira)" <ji...@apache.org> on 2020/06/09 19:31:00 UTC
[jira] [Updated] (KUDU-3140) Add heuristics to disable predicate
evaluation/filtering for Bloom filter predicate
[ https://issues.apache.org/jira/browse/KUDU-3140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bankim Bhavsar updated KUDU-3140:
---------------------------------
Status: In Review (was: Open)
> Add heuristics to disable predicate evaluation/filtering for Bloom filter predicate
> -----------------------------------------------------------------------------------
>
> Key: KUDU-3140
> URL: https://issues.apache.org/jira/browse/KUDU-3140
> Project: Kudu
> Issue Type: Improvement
> Components: perf, util
> Affects Versions: 1.12.0
> Reporter: Bankim Bhavsar
> Assignee: Bankim Bhavsar
> Priority: Major
>
> KUDU-2483 introduced support for Bloom filter predicate.
> However as observed with TPCH, query 9 exhibits regression when Bloom filter predicates are pushed down to kudu.
> See excerpt from performance analysis of TPCH run by [~wzhou].
> https://gist.github.com/bbhavsar/811ccbe0cd144090f82bdabcd801f827
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