All, I've often seen people lower seq_page_cost for SSD access. This has the effect of raising CPU costs relative to the costs of disk access. However, CPUs have also gotten lots faster, so I'm not sure that results in a better cost balance.
Has anyone done extensive testing on this? What did you find? -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
