Legacy Query Optimizer Costing Parameters
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Legacy Query Optimizer Costing Parameters
Warning: Do not adjust these query costing parameters. They are tuned to reflect
Greenplum Database hardware configurations and typical workloads. All of these parameters
are related. Changing one without changing the others can have adverse effects on
performance.
cpu_index_tuple_cost cpu_operator_cost cpu_tuple_cost cursor_tuple_fraction effective_cache_size |
gp_motion_cost_per_row gp_segments_for_planner random_page_cost seq_page_cost |