On Fri, Aug 28, 2009 at 12:28:06PM -0400, Tom Lane wrote: > Hm, do you have forty or so idle backends hanging around while this > happens? The only thing I can think of that might be causing this is > shared cache invalidation messages being broadcast to all the other > sessions. I have about 1000 backends running. more of them (like 998) are usually idling. Best regards, depesz -- Linkedin: http://www.linkedin.com/in/depesz / blog: http://www.depesz.com/ jid/gtalk: depesz@xxxxxxxxxx / aim:depeszhdl / skype:depesz_hdl / gg:6749007 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general