> However, this doesn't really address the question of what a sensible
> choice of default is. If there's little evidence about whether the
> current flavor of open_datasync is really the fastest way, there's
> none whatsoever that establishes open_datasync_without_o_direct
> being a sane choice of default.
No, I'd switch to fdatasync. That's the performance that most people
are familiar with anyway, since it was all Linux supported before.
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com
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