Messages in this thread | | | Date | Wed, 01 Nov 2000 10:28:51 -0700 | From | "Jeff V. Merkey" <> | Subject | Re: 2.2.18Pre Lan Performance Rocks! |
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Anton Altaparmakov wrote: > > > IMHO stability is more important than anything else. - I prefer to run 20 > Linux servers which will result in no phonecalls at midnight calling me > into College to reboot them compared to a Netware server which runs as fast > as the 20 Linux servers but disturbs my out-of-working-hours time! > > I agree that having ring 0 OS will improve performance, no doubt about > that, but at what price? >
It depends on how well we do out job. I guess that's the real debate. Welcome back, how's things.
:-)
Jeff
> Just my 2p. > > Anton > > >And on sane architectures like alpha you don't even need to flush the TLB > >during "real" context switching so all your worry to share the same VM for > >everything is almost irrelevant there since it happens all the time anyways > >(until you overflow the available ASN bits that takes a lots of forks to > >happen). > > > >So IMHO for you it's much saner to move all your performance critical code > >into > >kernel space (that will be just stability-risky enough as khttpd and tux are). > >In 2.4.x that will avoid all the cr3 reloads and that will be enough as what > >you really care during fileserving are the copies that you must avoid. > > > >Andrea > >- > >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > >the body of a message to majordomo@vger.kernel.org > >Please read the FAQ at http://www.tux.org/lkml/ > > -- > "Education is what remains after one has forgotten everything he > learned in school." - Albert Einstein > -- > Anton Altaparmakov Voice: +44-(0)1223-333541(lab) / +44-(0)7712-632205(mobile) > Christ's College eMail: AntonA@bigfoot.com / aia21@cam.ac.uk > Cambridge CB2 3BU ICQ: 8561279 > United Kingdom WWW: http://www-stu.christs.cam.ac.uk/~aia21/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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