On 4/9/09 11:26 PM, Mark Kirkwood wrote:
Josh Berkus wrote:
All,
Wow, am I really the only person here who's used IOZone?
No - I used to use it exclusively, but everyone else tended to demand I
redo stuff with bonnie before taking any finding seriously... so I've
kinda 'submitted to the Borg' as it were....
Bonnie++ has its own issues with concurrency; it's using some kind of
ad-hoc threading implementation, which results in not getting real
parallelism. I just did a test with -c 8 on Bonnie++ 1.95, and the
program only ever used 3 cores.
--
Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com
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