2008/10/3 Peter Eisentraut <[EMAIL PROTECTED]>: > Peter Childs wrote: >> >> I have a problem where by an insert on a "large" table will sometimes >> take longer than usual. > >> I think the problem might have something to do with checkpoints, > > Then show us your checkpointing-related parameters. Or try to set them to a > lot higher values so checkpoints happen more rarely and see if that makes a > difference. > >
More often or less often? I've currently got them set to checkpoint_segments = 3 checkpoint_timeout = 180s checkpoint_completion_target = 0.5 after reading that doing more smaller checkpoints might make each checkpoint work quicker and hence less of a performance hit when they actually happen. Regards Peter -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
