On Wed, 2023-10-11 at 23:20 +0530, Atul Kumar wrote: > Yes, I meant streamed, I need to log those wal files that are getting streamed > and replayed on standby servers in error logs of primary as well as standby servers. > > So that I can cross check that whichever file is streamed has been replayed on standby. > > I need to keep a track of these wal files in db error logs. I don't think you can do that, and it seems like a strange requirement to me. Instead, you should monitor pg_stat_replication. Yours, Laurenz Albe