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On Tue, Mar 16, 2004 at 05:36:18PM +1100, Nick Piggin wrote: > > > Jeremy Higdon wrote: > > >My tests were on an 8 CPU x 1300 MHz Altix with 64 disks. > > > > > > Nice - so if you had enough IO capacity to saturate the CPUs it > might come close to a 4x improvement - and this sounds like one > of your baby systems? Baby by cpu count, mid size by I/O capability. Extrapolations of this sort are fraught with peril. However, it is conceivable that we would end up with 4X the IOPS. > I wonder why nobody's complained about this before? Well, some of us have, but probably not very loudly. I had naively believed that the global unplug was gone in 2.6. jeremy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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