Robert Haas <robertmhaas@gmail.com> writes:
> On Tue, May 12, 2020 at 4:00 PM Tom Lane <tgl@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