Re: Using IOZone to simulate DB access patterns

Scott,

> FIO with profiles such as the below samples are easy to set up, and they can
> be mix/matched to test what happens with mixed read/write seq/rand -- with
> surprising and useful tuning results.  Forcing a cache flush or sync before
> or after a run is trivial.  Changing to asynchronous I/O, direct I/O, or
> other forms is trivial.  The output result formatting is very useful as
> well.

FIO?  Link?


--
Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com