On Sat, Dec 8, 2018 at 1:21 PM Jeremy Finzel <finz...@gmail.com> wrote:
> That doesn't indicate an error. You need to provide more details what >> made you consider things wedged... >> >> Andres >> > > Thank you very much for the reply. We typically see no visible > replication delay over 5 minutes ever. Today we saw a delay of over 3 > hours, and no obvious increase in workload either on the provider or the > subscriber. I also did not see the LSN advancing whatsoever in terms of > applying changes. > > I first checked for long-running transactions on the master but there was > nothing too unusual except an ANALYZE which I promptly killed, but with no > improvement to the situation. > > I found the messages above using strace after canceling the subscription > and finding that the process was taking extremely long to cancel. There > are 2.1 million files in pg_replslot which I don't think is normal? Any > ideas as to where I should be looking or what could cause this? > > Thanks, > Jeremy > I have very good news in that waiting it out for several hours, it resolved itself. Thank you, your input steered us in the right direction! Jeremy
