Bruce,
> Yes. If you were doing multiple WAL writes before transaction fsync,
> you would be fsyncing every write, rather than doing two writes and
> fsync'ing them both. I wonder if larger transactions would find
> open_sync slower?
Want me to test? I've got an ide-based test machine here, and the TPCC
databases.
--
Josh Berkus
Aglio Database Solutions
San Francisco