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Date: Wed, 2 May 2007 16:43:44 +0100 From: "Daniel J Blueman" <daniel.blueman@...il.com> To: "Rajib Majumder" <rajibm2005@...il.com> Cc: "Linux Kernel" <linux-kernel@...r.kernel.org> Subject: Re: Kernel Scalability On 2 May, 14:00, "Rajib Majumder" <rajibm2005@...il.com> wrote: > Hi, > > I am wondering if 2.4.x/2.6.x kernel is scalable enough to run on > 8-CPU hardware. Do we have any scalability comparison data between > 2.4/2.6 kernels and beyond 4-CPU? > > If yes, is the scalablity is near linear? > > Any input is appreciated. There are 128-processor IA64 systems which run recent 2.6 kernels out there; the per-processor counters, RCU and page-fault scalability work has been instrumental to the necessary scaling for decent resource usage on these. IIRC, there were some patches being developed to improve pagecache scalability lately too, but I guess it all depends on what kind of workload you have... > Thanks > > Rajib -- Daniel J Blueman - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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