2009/11/9 Laszlo Nagy <gandalf@xxxxxxxxxxxx>: > We have a bigger table with some million rows. Number of index scans is > high, number of seq reads is low. This table if often joined with > others... so we want to buy a new SSD drive, create a tablespace on it > and put this big table on it. Random read speed on SSD is identical to > seq read. However, I need to tell the optimizer that random_page_cost is > less for the new tablespace. Is there a way to do it? I happen to be working on a patch for this exact feature. However, even assuming it gets in, that means waiting for 8.5. ...Robert -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
