Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> writes:
> I'm not sure why walsender of the standby continued running not knowing the primary has been once dead for such a long time.
Isn't this precisely the problem that made us revert the "graceful
disconnection" patch [1]? Munro seems to have a theory about
why that broke things, but in any case it's not Haas' fault ;-)
regards, tom lane
[1] https://www.postgresql.org/message-id/flat/CA%2BhUKG%2BOeoETZQ%3DQw5Ub5h3tmwQhBmDA%3DnuNO3KG%3DzWfUypFAw%40mail.gmail.com