Re: logical replication seems broken

On Fri, Feb 12, 2021 at 6:04 PM Erik Rijkers <er(at)xs4all(dot)nl> wrote:
>
> Hello,
>
> I am seeing errors in replication in a test program that I've been running for years with very little change (since 2017, really [1]).
>
> The symptom:
> HEAD-replication fails (most of the time) when cascading 3 instances (master+2 replicas).
>
> HEAD-replication works with 2 instances (master+replica).
>
> I have also compiled a server on top of 4ad31bb2ef25 (avoiding some recent changes) - and this server runs the same test program without failure; so I think the culprit might be somewhere in those changes.
>

Oh, if you are running this on today's HEAD then the recent commit
bff456d7a0 could be the culprit but not sure without knowing the
details.

> Or (always possible) there might be something my testing does wrong - but then again, I do this test a few times every week, and it never fails.
>

Do you expect anything in particular while running this test, any
expected messages? What is exactly failing?

> This weekend I can dig into it some more (make a self-sufficient example) but I thought I'd mention it already. perhaps one of you see the light immediately...
>

That would be really helpful.

--
With Regards,
Amit Kapila.