laurentgo opened a new pull request #1207: [CALCITE-3062] Do not populate provenanceMap if not debug URL: https://github.com/apache/calcite/pull/1207 VolcanoPlanner.provenanceMap captures provenance of all rel nodes added to the planner but the information is only printed out if planner log level is debug or finer. As the map can get quite big with complex queries, the memory usage can increase significantly. Detect if planner log level is debug when creating a new volcano planner and use a blackhole map so that the map is not populated by default.
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