Why You Should Use Replication Slots in PostgreSQL

replication slot   Dan replication slot is active for pid

replication as opposed to physical replication -C: The option allows you to create a replication slot before the backup gets underway

SELECT * FROM pg_replication_slots to see if any replication slots were accidentally created that might be preventing WAL cleanup SHOW By themselves, replication slots occupy very little disk space They just store tiny bit of metadata, including a pointer to a position in WAL

win79 slot Creating a replication slotCreating a replication slot · Set the maximum WAL size for replication in the Max slot wal keep size setting The PostgreSQL 12: Copying replication slots · Restore the same basebackup to the new replica locations · Change the slot to use for the second