On 2019-Apr-01, Tom Lane wrote:
> Tim Clarke <tim.clarke@minerva.info> writes:
> > I'm getting this message every 5 seconds on a single-master,
> > single-slave replication of PG10.7->PG10.7 both on Centos. Its over the
> > 'net but otherwise seems to perform excellently. Any ideas what's
> > causing it and how to fix?
>
> That'd certainly be a bug, but we'd need to reproduce it to fix it.
> What are you doing that's different from everybody else? Can you
> provide any other info to narrow down the problem?
Maybe the replica identity of a table got set to a unique index on oid?
Or something else involving system columns? (If replication is
otherwise working, the I suppose there's a separate publication that's
having the error; the first thing to isolate would be to see what tables
are involved in that publication).
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services