Thanks for all the suggestions, When the server is not in use for mission-critical work, I'll definitely going to do some testing based on your ideas. Will let you know what comes out of that
Cheers, Paul On Thu, Feb 18, 2021 at 6:49 PM hubert depesz lubaczewski <dep...@depesz.com> wrote: > On Thu, Feb 18, 2021 at 10:24:25AM -0700, Michael Lewis wrote: > > [1] > https://www.depesz.com/2010/03/18/profiling-stored-proceduresfunctions/ > > > > Thanks for this reference. I enjoy your blog, but haven't made the time > to read all the archives somehow. Stuff doesn't stick very > > well when it isn't yet "needed" info besides. > > I have seen overhead from 'raise notice' in small functions that are > sometimes called many thousands of times in a single query, but > > hadn't done the test to verify if the same overhead still exists for > raise debug or another level below both client_min_messages > > and log_min_messages. Using your examples, I saw about .006 ms for each > call to RAISE DEBUG with a client/log_min as notice/warning. > > Sure, this overhead is definitely possible, but kinda besides the point > - there will be some slowdowns in other places, and it will be good to > track them. > That's why I suggested to do it on small sample of data. > > Best regards, > > depesz > >
