On Sun, Jul 17, 2016 at 10:34 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
It occurs to me that we could also remove the update_process_title GUC: what you would do is configure a process_title pattern that doesn't include the %-escape for current command tag, and the infrastructure could notice that that escape isn't present and skip unnecessary updates. The same kind of trick could be used for other potentially-expensive items like the lock "waiting" flag.
This seems like an interesting project for learning my way around gucs and logging. Could you elaborate a little