On 2019-Jun-26, Justin Pryzby wrote: > > Also, Should pg_buffercache perhaps be run at the beginning and end of the > > week, to see if there is a significant difference? > > Yes; buffercache can be pretty volatile, so I'd save it numerous times each at > beginning and end of week. Be careful with pg_buffercache though, as it can cause a hiccup in operation. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services