PostgreSQL Logical Replication Advantage and Step by Step Setup

postgres create replication slot   Dan postgres drop replication slot

By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL

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 A replication slot is a feature in PostgreSQL that ensures that the master server will retain the WAL logs that are needed by the replicas

aneka slot 99 Initial Synchronization Worker: Synchronizes initialexisting data from the publisher by creating a temporary replication slot and running a However, until , PostgreSQL primarily supported only a physical replication stream A physical stream is only really useful for a second copy