PlanCache overhead with plan-time partition pruning in PolarDB-PG (stackoverflow.com)stack
21 points by Haiyang Li in stackoverflow.com · 9h ago · stack
I am reporting a repeatable planning-time performance issue caused by the interaction between PlanCache and plan-time partition pruning for prepared statements on partitioned tables in PolarDB-PG. My server version is: PostgreSQL 16.14 (PolarDB 16.14.19.0 build 205ef93e) on x86_…