RE: TPC-C benchmark used standard RH kernel

From: Bond, Andrew (
Date: Thu Sep 19 2002 - 14:15:34 EST

I am actually moving in that direction. I don't know if I will be able to use the same setup or not, but I will post once I get some data. I can post that I saw X% delta going from 2.4 to 2.5. I can't help it if anyone extrapolates data from there ;-)


> -----Original Message-----
> From: Martin J. Bligh []
> Sent: Thursday, September 19, 2002 3:06 PM
> To: Bond, Andrew;
> Subject: Re: TPC-C benchmark used standard RH kernel
> > Could we have gotten better performance by patching the
> kernel? Sure. There are many new features in 2.5 that would
> enhance database performance. However, the fairly strict
> support requirements of TPC benchmarking mean that we need to
> benchmark a kernel that a Linux distributor ships and can support.
> > Modifications could also be taken to the extreme, and we
> could have built a screamer kernel that runs Oracle TPC-C's
> and nothing else. However, that doesn't really tell us
> anything useful and doesn't help those customers thinking
> about running Linux. The question also becomes "Who would
> provide customer support for that kernel?"
> Unofficial results for 2.5 vs 2.4 (or 2.4-redhatAS) would be most
> interesting if you're able to gather them, and still have the
> machine. Most times you can avoid their draconian rules by saying
> "on a large benchmark test that I can't name but you all know what
> it is ..." instead of naming it ... ;-)
> M.
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