Why My PostgreSQL Slow Right After Insert
The Customer Claim That Exposed PostgreSQL’s Statistics Blind Spot It started with a client claim: a critical part of their workflow was unresponsive. Upon investigation, we found the bottleneck was an innocent-looking query that was now consistently timing out. To understand why, we had to descend into the internals of the PostgreSQL query planner. There, we discovered a rare bug in statistics estimation triggered by a unique data distribution pattern that had remained hidden until now. ...