hubert depesz lubaczewski <depesz@xxxxxxxxxx> writes: > On Fri, Aug 28, 2009 at 12:47:15PM -0400, Tom Lane wrote: >> Ouch. You need to update to 8.4 --- the SI messaging stuff will >> definitely be hurting you with that many backends. Or consider >> using connection pooling or something to cut the number of backends. > Do you have any idea on how (easily) to test if this is the cause of the > situation? Well, if you have something like oprofile it would probably prove or disprove the theory that sinvaladt.c is taking all the time. 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