On Apr 3, 2006, at 10:10 PM, Mark Kirkwood wrote:
I've always left them on, and never had any issues...(even after
unscheduled power loss - which happened here yesterday). As I
understand it, the softupdate code reorders *metadata* operations,
and does not alter data operations - so the effect of fysnc(2) on a
preexisting file is not changed by softupdates being on or off.
This is also my understanding, and I also leave softupdates on for
the data partition. Even if it doesn't improve performance, it will
not reduce it, and otherwise does no harm with respect to postgres'
disk usage.
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