On Thu, 27 May 2004 16:50:24 -0400, Alvaro Herrera <[EMAIL PROTECTED]> wrote: >Now you are on the subject, can I ask you to take a peek at what I did >regarding tuple headers?
I did read your patch, but I didn't understand it. :-( >At first I thought I'd have to add back Xmax as a field on its own Veto! This would increase heap tuple header size ==> less tuples per page ==> more pages per table ==> more I/O ==> performance loss. > is there a situation >on which we should need to peek at Cmin after setting Xmax for a >particusar tuple? http://archives.postgresql.org/pgsql-hackers/2002-05/msg00090.php Servus Manfred ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings