Logical replication slots

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

Logical replication slots 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

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

frenzy slot Optional parameter that when yes specifies that the LSN for this replication slot be reserved immediately, otherwise the default, no , specifies that the

The concept of replication slots was introduced in PostgreSQL and was created to prevent a primary instance to delete WAL that a replica

postgresql drop replication slot 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

If the max_wal_size parameter is too low, PostgreSQL may delete WAL data before it has been streamed to BigQuery, which can cause the