What are PostgreSQL replication slots and how do they

What are PostgreSQL replication slots and how do they postgres replication slot Replication Slots · the oldest WAL required by the consumer of the slot postgres create 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

postgres create replication slot The pg_replication_slots view provides a listing of all replication slots that currently exist on the database cluster, along with their current state For more

postgres create logical replication slot The slot to be dropped must be inactive before it can be removed It is not possible to forcibly drop an active replication slot Change history PostgreSQL  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