Re: TODO: Determine optimal fdatasync/fsync, O_SYNC/O_DSYNC options

Tom, JD,

> No, that only tells you if the various alternatives *work*.  Not which
> one performs best.

"Performs best" is pretty elusive.   On Solaris 10, for example, fdatasync 
does best on pgbench on x86, but opendatasync does best on DBT2 on Sparc.  
I'm not certain we can really determine this with any accuracy.

-- 
--Josh

Josh Berkus
PostgreSQL @ Sun
San Francisco