Messages in this thread | | | Date | Wed, 22 Oct 2003 11:30:28 -0700 | From | Dave Olien <> | Subject | Re: [BENCHMARK] I/O regression after 2.6.0-test5 |
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Sorry, this patch didn't fix our performance problems. Mary just finished running dbt2 on test8 with your patch:
NOTPM kernel scheduler 965 2.6.0-test8-np AS 1632 2.6.-test6-mm4 deadline
This is an 8-way system with DAC960 and 12 LUNs, using raw devices. That's still quite a sizeable drop.
On Wed, Oct 22, 2003 at 07:54:46PM +1000, Nick Piggin wrote: > > Could you please try the following patch against 2.6.0-test8. > Thanks. I'll have to come up with something more comprehensive > because this destroys find | xargs grep during other IO. It > looks like this might be the cause of a lot of AS's database > problems though. > > I'm working on something... > - 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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