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SubjectRe: Kernel Scalability
On 2 May, 14:00, "Rajib Majumder" <> 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
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