On Tuesday, July 14, 2020, Julie Nishimura <juliezain(at)hotmail(dot)com> wrote:
> Hello, we currently have 9.4 hot_standby master-slave pair. Going forward,
> we can keep only one server. How can I convert the system properly?
>
If you are keeping the primary you shouldn’t have to do anything. The
absence of a secondary server shouldn’t impact the primary. You might be
recording more detail to WAL than strictly necessary but that isn’t wrong
outright.
David J.