"Jignesh K. Shah" <J.K.Shah@Sun.COM> writes:
> I will turn on checkpoint_logging to get more idea as Heikki suggested
Did you find out anything?
Did this happen on every checkpoint, or only some of them? The bug
Itagaki-san pointed out today in IsCheckpointOnSchedule might account
for some checkpoints being done at full speed, but not all ...
regards, tom lane