Logical Replication in PostgreSQL

Unused slots can be dropped to remove WAL segments using the pg_drop_replication_slot command There generally is one replication slot and WAL sender per

A limitation of the PostgreSQL implementation is that replication slots are not cluster-aware: a replication slot exists solely on the instance

postgresql replication slot A PostgreSQL replication slot is a vital feature ensuring the master server retains necessary Write-Ahead Log files, even when replicas

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