Dmitry O Litvintsev <litvinse@xxxxxxxx> writes: > After upgrade 11 -> 15 started to see these messages in hot standby log: > < 2024-05-15 17:20:24.164 CDT 151879 > LOG: restartpoint complete: wrote 296338 buffers (28.3%); 0 WAL file(s) added, 134 removed, 0 recycled; write=1619.469 s, sync=0.022 s, total=1619.539 s; sync files=1492, longest=0.002 s, average=0.001 s; distance=2195446 kB, estimate=4171347 kB > < 2024-05-15 17:20:24.164 CDT 151879 > LOG: recovery restart point at 17AB8/47000140 > < 2024-05-15 17:20:24.164 CDT 151879 > DETAIL: Last completed transaction was at log time 2024-05-15 17:20:24.138362-05. > < 2024-05-15 17:20:24.167 CDT 151879 > LOG: restartpoint starting: wal > while running 11 the log was almost empty, and I did not modify verbosity settings... > Queston : are above harmless and just informational? This is checkpoint logging, which is on by default now (a decision I didn't particularly approve of). Feel free to set "log_checkpoints = off" if you don't want it. regards, tom lane
