Step-by-step PostgreSQL 12 Streaming Replication on Ubuntu

Introduction · Create a sandbox with two PostgreSQL servers · Test table · Filling WAL with random data · Checking the current WAL size · Check

Step-by-step PostgreSQL 12 Streaming Replication on Ubuntu A replication slot is created on the primary database server for each standby server The slot keeps track of the last confirmed receive location of WAL data on

Introduction · Create a sandbox with two PostgreSQL servers · Test table · Filling WAL with random data · Checking the current WAL size · Check

postgres drop replication slot Replication slots for High Availability A replication slot exists solely on the instance that created it, and PostgreSQL does not replicate it on the standby

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 In PostgreSQL® you can set up a logical replication slot for any downstream subscribers of the server Having a replication slot causes the

The replication slot aids in regulating the rate of change delivery from the primary, if a replica experiences delays in processing changes due