> I'm curious how many of the configuration values can be determined > automatically, or with the help of some script. It seem like there > could be some perl script in contrib that could help figure this out. > Possibly you are asked a bunch of questions and then the values are > computed based on that. Something like: > > How many tables will the system have? > How much memory will be available to the postmaster? > How many backends will there typically be? > What is the avg seek time of the drive? > What's the transfer rate of the drive? > > Seems to me that a lot of reasonable default values can be figure out > from these basic questions. FSM settings, Sort Mem, Random Page Cost, > Effective Cache Size, Shared Memor, etc, etc.
Someone was working on a thing called pg_autotune or some such program that'd do exactly what you're thinking of. http://archives.postgresql.org/pgsql-performance/2002-10/msg00101.php http://gborg.postgresql.org/project/pgautotune/projdisplay.php -- Sean Chittenden ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
