On Mon, Jul 20, 2009 at 1:28 PM, Joshua D. Drake<jd@xxxxxxxxxxxxxxxxx> wrote: > On Mon, 2009-07-20 at 13:24 -0400, Bill Moran wrote: >> In actual practice, full query logging >> is 1/50 the amount of disk I/O as the actual database activity. If your >> systems are so stressed that they can't handle another 2% increase, then >> you've got bigger problems lurking. > > It depends on the system. I have seen even big systems take a huge hit > by full logging due to transactional velocity. > > Joshua D. Drake I've seen this too. On high transaction load systems, log_statement has big overhead. I haven't tested this lately though, and I suspect this information is version dependent (in the 'old' days, it used to be a really big deal). merlin -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
