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Haisheng Yuan commented on CALCITE-3891: ---------------------------------------- [~neoremind] I used IntelliJ Profiler, and I used a long optimizing query to profile the planner so that the planner takes almost 100% of the total time. In your flame graph, Volcano planner only takes about 4% of total time. > Remove use of Pair.zip in RelTraitSet.satisfies > ----------------------------------------------- > > Key: CALCITE-3891 > URL: https://issues.apache.org/jira/browse/CALCITE-3891 > Project: Calcite > Issue Type: Improvement > Components: core > Reporter: Haisheng Yuan > Assignee: Chunwei Lei > Priority: Major > Attachments: image-2020-04-01-19-05-58-306.png > > > It accounts too much time of the method, even this is a tiny portion overall. > !image-2020-04-01-19-05-58-306.png! -- This message was sent by Atlassian Jira (v8.3.4#803005)