Messages in this thread | | | Date | Fri, 29 Oct 2004 17:30:45 -0700 | From | Andrew Morton <> | Subject | Re: Buffered I/O slowness |
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Jesse Barnes <jbarnes@engr.sgi.com> wrote: > > > I'm not sure that we know what's going on yet. I certainly don't. The > > above numbers look good, so what's the problem??? > > The numbers are ~1/3 of what the machine is capable of with direct I/O.
Are there CPU cycles to spare? If you have just one CPU copying 1GB/sec out of pagecache, maybe it is pegged? - 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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