Re: Units in postgresql.conf
Josh Berkus <josh@agliodbs.com>
From: Josh Berkus <josh@agliodbs.com>
To: Peter Eisentraut <peter_e@gmx.net>
Cc: pgsql-hackers@postgresql.org
Date: 2006-07-20T16:22:02Z
Lists: pgsql-hackers
Peter, > One frequent source of confusion are the different units that the parameters > in postgresql.conf use. shared_buffers is in 8 kB, work_mem is in 1 kB; > bgwriter_delay is in milliseconds, checkpoint_warning is in seconds. > Obviously, we can't change that without inconveniencing a lot of users. > > I think it would be useful to allow units to be added to these settings, for > example > > shared_buffers = 1000kB > checkpoint_warning = 30s > > This would also allow > > shared_buffers = 512MB > > which is a bit cumbersome to calculate right now (you'd need = 65536). > > I haven't thought yet how to parse or implement this, but would people find > this useful? > Well, it's on my TODO list for 8.2 to write a simple postgresql.conf conversion utility in Perl. If you wanted to make a change like that, it would make finishing that mandatory. Just as well, right now half the vacuum settings are in a different section than another half. --Josh