Rod Taylor wrote:
> On Fri, 2004-06-11 at 14:40, Merlin Moncure wrote:
> > I am batch inserting insert statements into a database with fsync =
> > My single disk system is on a 10k drive...even though I am inside a
> > transaction there is at least 1 file sync per row insert.
> Which filesystem?
> PostgreSQL isn't issuing the sync except at commit of a transaction,
> some filesystems do wacky things if you ask them too.

Um, NTFS. :)  I'm playing with the new 'syncer' to get a feel for the
new performance considerations.

As I understand it, sync() is never called anymore.  mdsync() hits the
all the files 1 by 1 with an fsync.  My understanding of the commit
process is that 30 tps is quite reasonable for my hardware.  

What surprised was that I am getting at least 1 seek/insert inside a


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