replication slot
Cloning and replication slots
replication slot
website replication slot Replication Slot · feature introduced in PostgresQL along with logical decoding · is a feature that ensures that the master server will replication slot already exists By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL
replication slot We can have multiple replication slots for a single database; each slot has its own state allowing different consumers to receive changes from Replication Slots · the oldest WAL required by the consumer of the slot PostgreSQL 12: Copying replication slots · Restore the same basebackup to the new replica locations · Change the slot to use for the second
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