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    SubjectRe: How to optimize routing performance
    On Thu, Mar 15, 2001 at 11:17:19AM -0800, J Sloan wrote:
    > Rik van Riel wrote:
    > > On Thu, 15 Mar 2001, J Sloan wrote:
    > >
    > > > There are some scheduler patches that are not part of the
    > > > main kernel tree at this point (mostly since they have yet to
    > > > be optimized for the common case) which make quite a big
    > > > difference under heavy load - you might want to check out:
    > > >
    > > > http://lse.sourceforge.net/scheduling/
    > >
    > > Unrelated. Fun, but unrelated to networking...
    >
    > under high load, where the sheer numbet of interrupts
    > per second begins to overwhelm the kernel, might it
    [snip]
    > Or are you saying that the bottleneck is somewhere
    > else completely, or that there wouldn't be a bottleneck
    > in this case if certain kernel parameters were correctly
    > set?

    The scheduler schedules tasks not interrupts. Unless it manages to thrash the
    cache, the scheduler can not affect routing performance.

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