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