Re: Perplexing, regular decline in performance

Alvaro Herrera <[email protected]>
Newsgroups gmane.comp.db.postgresql.performance
Message-ID <[email protected]> 
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
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