Hi Jaime, The $subject can happen during logical replication start, it's just fine.
> 2025-12-26 12:17:41.861 -05 [pid=2667517;l=1;tx=0] LOG: 38B7/CEBC9330 > has been already streamed, forwarding to 38B7/D2C9C038 The logical replica requests starting at 38B7/CEBC9330, but the slot's confirmed_flush_lsn is at 38B7/D2C9C038, so forwarding to it. > 2025-12-26 12:17:41.867 -05 [pid=2667517;l=4;tx=0] DETAIL: Streaming > transactions committing after 38B7/D2C9C038, reading WAL from > 38B0/2261B890. The publisher must read WAL from the slot's restart_lsn (38B0/2261B890), but only transactions committed after 38B7/D2C9C038 will be sent to the logical replica. The sent_lsn is just where the wal sender currently reading, so it could be lower than write/flush/replay_lsn. Hope this can answer your question. -- Regards, ChangAo Chen
