Re: Unresolved repliaction hang and stop problem.

On Wed, Apr 28, 2021 at 7:36 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> On 2021-Apr-28, Amit Kapila wrote:
>
> > On Wed, Apr 28, 2021 at 6:48 AM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> > > Hmm ... On what does it depend (other than plain git conflicts, which
> > > are aplenty)? On a quick look to the commit, it's clear that we need to
> > > be careful in order not to cause an ABI break, but that doesn't seem
> > > impossible to solve, but I'm wondering if there is more to it than that.
> >
> > As mentioned in the commit message, we need another commit [1] change
> > to make this work.
> >
> > [1] - https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=c55040ccd0
>
> Oh, yeah, that looks tougher. (Still not impossible: it adds a new WAL
> message type, but we have added such on a minor release before.)
>

Yeah, we can try to make it possible if it is really a pressing issue
but I guess even in that case it is better to do it after we release
PG14 so that it can get some more testing.

> ... It's strange that replication worked for them on pg10 though and
> broke on 13. What did we change anything to make it so?
>

No idea but probably if the other person can share the exact test case
which he sees working fine on PG10 but not on PG13 then it might be a
bit easier to investigate.

--
With Regards,
Amit Kapila.