Exploring versions of the Postgres logical replication protocol

When a logical replication slot is created, Postgres creates a snapshot of the current state of the database and records the consistent point from where

Logical decoding replication slots are supported on only primary servers When there is a cluster of PostgreSQL servers, the connector can run on only the

replication slot is active for pid Checking for replication slots Starting from PostgreSQL , it is also necessary and useful to check for leftover replication slots

replication slot The slot to be dropped must be inactive before it can be removed It is not possible to forcibly drop an active replication slot Change history PostgreSQL