>
> We have found two things that appear to resolve the problem -
>
> * Using a more powerful EC2 instance. We can reproduce the issue with
> a r7a.medium instance but not with a r7a.large EC2 instance.
> * Changing the Postgres synchronous_commit parameter from "on" to
> "off". We cannot reproduce the issue with synchronous_commit set to
> "off".
What is running on the EC2 instance?:
1) The Postgres server.
2) The replication receiver.
3) Both.
>
> We need help to understand this unexpected behaviour.
>
> We are using Postgres 14.10.
>
> Thanks,
> Daniel McKenzie
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com