Step-by-step PostgreSQL 12 Streaming Replication on Ubuntu

Replication slots were introduced in Postgres They are a mechanism to accurately and durably keep track of how far a standby is lagging behind the primary

In this post we have also explained about PostgreSQL 12 “replication slots” for standby node to avoid the master server from recycling old WAL segments before

postgresql drop replication slot Replication allows a client to receive a continuous stream of updates from a PostgreSQL database, providing a near-realtime view of all changes as they occur

postgres create replication slot To begin replicating your PostgreSQL database, start with steps 1 and 2 from above Create a replication slot on your Postgres database to track