Date: Thu, 04 Oct 2001 13:12:24 -0400 From: Mike Tancsa <mike@sentex.net> To: Luigi Rizzo <rizzo@aciri.org> Cc: freebsd-net@freebsd.org Subject: Re: How to increase TCP and UDP buffers (for IPv4/IPv6) Message-ID: <5.1.0.14.0.20011004130347.04a295a0@marble.sentex.ca> In-Reply-To: <200110041700.f94H0ZQ45166@iguana.aciri.org> References: <5.1.0.14.0.20011004122716.0408d470@marble.sentex.ca>
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At 10:00 AM 10/4/01 -0700, Luigi Rizzo wrote:
> > I guess in my case, the load average is general 0.00, but that is just
> > measuring userland activity no ? Is there a way to allocate more CPU to
>
>yes... "top" should tell you how much time you spend in kernel space,
>though, and that could be an indication.
Strange, its idle as well. top is the most active process, and the
interrupts are at about 10% at the max.
> > dont think I can implement fast_forwarding-- or am I thinking of something
> > else?
>
>fast_forwarding helps in the sense that it bypasses the queue and
>calls directly ip_input at interrupt time. The fact that it also
>uses a cache for routes is only an optimization.
>
>I am not sure how bad would it be to add code for full route lookups
>in ipflow_fastforwarding, i might try and have a look at this
>in a week or two once i am done with some (partly related)
>work i am doing.
Hmmm... Do you think I should enable it ? Will it hurt in my case for the
large routing table ?
Thanks again!
---Mike
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