Capture from PostgreSQL using Logical Replication - HVR 6

If stopping postgres server takes time, the VM or container will have to be killed forcefully which can take a considerable amount of time as

If set to -1 , you will not be able to delete WAL files due to open logical replication slots that information is not read from

postgresql create replication slot You must drop the logical replication slot in the primary server if the corresponding subscriber no longer exists Otherwise, the WAL files

postgresql drop replication slot By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL