Re: no universally correct setting for fsync

> The real question is how much of a speed-up fsync provides compared to
> the same workload with synchronous_commit disabled.  The only case for
> fsync=off is one where that number is much faster.  

I can't say I've tested this.  Most of my head-to-heads on fsync were
before asych existed.

-- 
                                  -- Josh Berkus
                                     PostgreSQL Experts Inc.
                                     http://www.pgexperts.com