Simon, > There is an optimum for each specific sort.
Well, if the optimum is something other than "as much as we can get", then we still have a pretty serious issue with work_mem, no? -- Josh Berkus PostgreSQL @ Sun San Francisco -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance