Bernd Helmle <maili...@oopsware.de> writes:
> I've recently even started to wonder if the performance gain with fsync=off
> is still that large on modern hardware. While testing large migration
> procedures to a new version some time ago (on an admitedly fast storage) i
> forgot here and then to turn it off, without a significant degradation in
> performance.
That says to me either that you're using a battery-backed write cache,
or your fsyncs don't really work (no write barriers or something like
that).
regards, tom lane
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