On 16/07/22, Rory Campbell-Lange (rory@xxxxxxxxxxxxxxxxxx) wrote: > I'd be grateful for some comments on the advisability of using a large > number of concurrent logical replication publications/subscriptions. > Below I've set out the current environment and a suggested design. > Apologies for the length of this email. ... > * to avoid overloading the existing primary host with many replication > slots, it would be wise to implement aggregation on another host Looking into this further it appears that a streaming replication secondary can not act as a logical replication publisher. Is that correct? Rory