On Tue, Oct 19, 2010 at 9:10 AM, Jon Nelson <jnelson+pgsql@xxxxxxxxxxx> wrote: > No replies? > > This is another situation where using pread would have saved a lot of > time and sped things up a bit, but failing that, keeping track of the > file position ourselves and only lseek'ing when necessary would also > help. Postgresql was spending 37% of it's time in redundant lseek! 37% of cpu time? Is that according to strace -T? how did you measure it? merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
