I wrote: > ... OTOH I'd have expected you to have to reboot multiple > times while experimenting with the shm parameters, so I'm not entirely > convinced I've hit on the right explanation. Oh ... were you using sysctl -w rather than rebooting to adjust the shmmem parameters? I realized after experimenting that 10.6 lets you do that. It didn't use to be possible to change these parameters in OS X without rebooting --- I wonder when they fixed that. regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin