Re: data consolidation: logical replication design considerations
Rory Campbell-Lange <rory@campbell-lange.net>
From: Rory Campbell-Lange <rory@campbell-lange.net>
To: pgsql-performance@lists.postgresql.org
Date: 2022-07-23T08:40:23Z
Lists: pgsql-performance
On 16/07/22, Rory Campbell-Lange (rory@campbell-lange.net) 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