When processing a query in PostgreSQL that requires more memory than it's configured to allocate, data will be spilled to disk to complete the query operations. This can introduce performance bottlenecks. Redgate Monitor now includes recommendations for PostgreSQL that warn you when a spill occurs and will help you understand why and what you can do to avoid it. Read more
This article describes six performance metrics that ought to be central to your PostgreSQL monitoring strategy. By using a tool like Redgate Monitor to track these metrics over time, and establish baselines for them, you'll be able to spot resource pressure or performance issues immediately, quickly diagnose the cause, and prevent them becoming problems that affect users. Read more