Messages in this thread | | | Date | Sun, 28 Mar 2004 19:31:27 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH] speed up SATA |
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On Sun, Mar 28 2004, Jeff Garzik wrote: > Jens Axboe wrote: > >On Sat, Mar 27 2004, Jeff Garzik wrote: > > > >>"IOPs" are what make a lot of storage peeps excited these days, so they > >>are being pushed in a low-latency direction anyway. > > > > > >IOPS says nothing about latency, it's still 100% throughput oriented. > > > In order to achieve a large IOPs number, one must sent a ton of small > requests. Per-request latency as well as overall throughput is a factor.
I don't see how per-request latency is a factor at all, if your metric is simply iops/sec. You could infinitely starve lots of requests without hurting your io rate, nor throughput.
-- Jens Axboe
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