Messages in this thread | | | Date | Mon, 12 Nov 2007 12:25:00 -0500 | From | Mark Lord <> | Subject | Re: iozone write 50% regression in kernel 2.6.24-rc1 |
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Peter Zijlstra wrote: .. > While I see that the write speed as reported under .24 ~70MB/s is much > lower than the one reported under .23 ~200MB/s, I find it very hard to > believe my poor single SATA disk could actually do the 200MB/s for > longer than its cache 8/16 MB (not sure). > > vmstat shows that actual IO is done, even though the whole 512MB could > fit in cache, hence my suspicion that the ~70MB/s is the most realistic > of the two. ..
Yeah, sequential 70MB/sec is quite realistic for a modern SATA drive.
But significantly faster than that (say, 100MB/sec +) is unlikely at present. - 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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