Lance Campbell wrote: > What are the values that can appear in the column SI and SO? Are those disk blocks? Also how high > would those numbers possibly get in those two columns before I should be concerned. I am noticing two > digit number like 84. Every once in a while it will spike to something like 814. The unit should be KB/s, check your vmstat man page. Occasional "so" shouldn't be a problem, but if "si" is greater than 0 regularly, you are probably memory constrained. Yours, Laurenz Albe -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin