* Michael Paquier (michael.paqu...@gmail.com) wrote:
> On Wed, Jan 18, 2017 at 7:31 AM, Stephen Frost <sfr...@snowman.net> wrote:
> > Perhaps we need a way for pg_ctl to realize a cold-standby case and
> > throw an error or warning if --wait is specified then, but that hardly
> > seems like the common use-case.  It also wouldn't make any sense to have
> > anything in the init system which depended on PG being up in such a case
> > because, well, PG isn't ever going to be 'up'.
> Yeah, it seems to me that we are likely looking for a wait mode saying
> to exit pg_ctl once Postgres is happily rejecting connections, because
> that means that it is up and that it is sorting out something first
> before accepting them. This would basically filter the states in the
> control file that we find as acceptable if the connection test
> continues complaining about PQPING_REJECT.

If you're suggesting this *only* in the case where PG is starting up as
a cold standby, then, ok, maybe.  I don't think '-w' should mean
anything less than "up and accepting connections" for regular or hot
standby systems.

I'm not really convinced that the code is worth the trouble to handle
this case, but I'm not going to argue if someone wants to write it.



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