Robert Haas <robertmh...@gmail.com> writes: > On Tue, May 12, 2020 at 4:00 PM Tom Lane <t...@sss.pgh.pa.us> wrote: >> Said user-facing documentation largely fails to explain that the >> set of wait events can be enlarged by extensions; that needs to >> be fixed, too.
> Is that true? How can they do that? I thought they were stuck with > PG_WAIT_EXTENSION. Extensions can definitely add new LWLock tranches, and thereby enlarge the set of names in that category. I haven't figured out whether there are other avenues. regards, tom lane