On Fri, Sep 25, 2009 at 22:18, Robert Haas <robertmh...@gmail.com> wrote: > On Fri, Sep 25, 2009 at 4:06 PM, Magnus Hagander <mag...@hagander.net> wrote: >> Other than if you're logging all your queries (or over <n> time, where >> <n> is very small), I've never seen a system with performance issues >> from logging. I'm sure others may have, but not me. >> >> Is there really any log output other than the >> query-logging-for-performance-analysis that is likely to cause any >> real load on the system? If not, perhaps we need to break out that >> part to a separate codepath instead, and optimize that one for speed, >> while optimizing the other paths for flexibility? > > Not sure, but I doubt it's that easy.
If we are talking about the "log query duration" or "log queries longer than <n>" that's a single location in the code. It can't be that hard... -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
