Scott Marlowe <scott.marl...@gmail.com> writes:
> On Mon, Jan 11, 2010 at 1:13 PM, Dusek, Bob <rd185...@ncr.com> wrote:
>> I haven't been involved in any benchmarking of PG8 with fsync=off, but we 
>> certainly did it with PG 7.4.  fsync=0ff, for our purposes, was MUCH faster.

> And many changes have been made since then to make fsyncing much
> faster.  You may be grinding the valves on a 2009 Ferrari because
> pappy used to have to do it on his 1958 pickup truck here.

Perhaps more to the point, synchronous_commit can get most of the same
speedup with much less risk to your database.  You really owe it to
yourself to redo that benchmarking with a recent PG release.

                        regards, tom lane

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