On Thu, Feb 3, 2022, 3:07 PM Luca Ferrari <fluca1...@gmail.com> wrote:
> Hi all, > running PostgreSQL 14, physical replication with slot, after changing > (increasing) the max_connections on the primary, I had this message at > a restart from the standby: > > DETAIL: max_connections = 100 is a lower setting than on the primary > server, where its value was 300. > > and the standby does not start until I raise also its max_connections. > Why is PostgreSQL requiring the max_connections to be aligned between > the primary and the standby? > > Thanks, > Luca > > > > No. iirc, It has to be the same on all nodes in the physical replication > setup. But if vis pgbouncer, you can maintain the same max_connection but alter > active front-end backend connections. > >