Dmitry O Litvintsev <litvi...@fnal.gov> 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
