Re: found xmin from before relfrozenxid on pg_catalog.pg_authid

> ​About gdb bt - it's tricky because it is mission critical master db of
> huge project.
> I'll will try promote backup replica and check is issue persist there and
> if yes - we will have our playground for a while, but it will require
> sometime to arrange.​

You should be ok to just bt that in the running cluster, but I
definitely understand if you don't want to do that...  I'd appreciate if
you set up the a playground, because this seems like something that'll
reappear.

Greetings,

Andres Freund