Checking for replication slots - PostgreSQL Replication

If you use a logical decoding plug-in which supports logical replication messages — like pgoutput since Postgres 14 — then that's all that's

I have 2 logical replication slots in Postgres 12 Suddenly one of them failed couple of days ago

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

start slot The replication slot basically tells Postgres not to recycle or remove any WAL files that could ultimately prevent it from catching up with the