Physical Replication Mechanisms in PostgreSQL

Physical Replication Mechanisms in PostgreSQL replication slot postgres This is the most common type of replication in PostgreSQL Physical replication maintains a full copy of the entire data of a cluster It uses replication slot Allow you to replicate data out of Postgres · Use the write-ahead log as the source of changes · Use logical replication slots to send out

replication slot Persistent Replication Slots: PostgreSQL uses a concept called “replication slots” for logical replication When you create a replication slot

replication slot already exists Postgres logical replication slots are used to keep track of replication progress Every time a new version of sync Replication slots were introduced with PostgreSQL and are designed to ensure that any standby connected to the primary using a replication slot will always