On Wed, 20 Aug 2025 at 17:08, hubert depesz lubaczewski <depesz@xxxxxxxxxx> wrote: > > On Wed, Aug 20, 2025 at 08:14:47AM -0700, Adrian Klaver wrote: > > Hmm. > > > > From initial post: > > > > "For ~ 1 second there are no logs going to log (we usually have at 5-20 > > messages logged per second), no connection, nothing. And then we get > > bunch (30+) messages with the same milisecond time." > > > > Are the 30+ messages all coming in on one connection or multiple > > connections? > > Multiple connections. > > > Also to be clear these are statements that are being run on the replica > > locally, correct? > > What do you mean locally? > > Application servers are *not* on the same server as the db. So no, they > are not local. > > > Does the AWS monitoring indicate any issues? > > Nope. All looks "fine". > > Same for our monitoring - CPU usage, iops, load. > > Best regards, > > depesz Do you have THP enabled? Can you use mpstat and see what %steal shows as? Thom
