On Wed, 2008-04-09 at 21:09 +0300, Heikki Linnakangas wrote: > Hannu Krosing wrote: > > Saving 1 byte is an atomic op > > Unfortunately, it's not. Most if not all modern CPUs will perform one > byte modification as "load word" + "modify word" + "save word".
Hmm, maybe we I should change my design to modify page free info and its parent together ? or what is word ? 2 bytes ? 4 bytes ? even 8 bytes ? ------------ Hannu -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
