Jeff Janes <jeff.janes@xxxxxxxxx> writes: > If you told postgresql to tell the kernel not to cache the data it reads, > how would this help? I seem to recall also that O_DIRECT disables optimizations we definitely want, like read-ahead. So it could come out a loser independently of any what's-in-cache concerns. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
