PostgreSQL Streaming Physical Replication With Slots

postgresql_replication_slot Resources replication slot postgres A replication slot ensures that the WAL will not go away if the replica lags behind Without a replication slot, a primary will recycle its WAL as soon as it replication slot postgres 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

replication slot 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