Date: Fri, 12 Mar 2010 13:58:34 +0400 From: rihad <rihad@mail.ru> To: Jack Vogel <jfvogel@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: ixgbe input errors at high data rates Message-ID: <4B9A104A.6070509@mail.ru> In-Reply-To: <2a41acea1003111056k42d9a188x3310bcedd2ae9e6a@mail.gmail.com> References: <4B99114E.7060909@mail.ru> <2a41acea1003110942u717e2222hd984bd2859c3e477@mail.gmail.com> <4B9938F1.7090906@mail.ru> <2a41acea1003111056k42d9a188x3310bcedd2ae9e6a@mail.gmail.com>
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Jack Vogel wrote: > The difference between things being tweaked vs not is quite dramatic, > like getting only 2 or 3 Gb versus getting 9.5 when properly set up. > The multiqueue stack support in 8.0 is part of the equation, and in > 7.X you wont have that. > Any other tweaks beyond using the bleeding edge driver? Sysctls? Kernel config? Does ixgbe in 8.0 support polling? I don't like the irq thread chewing up all the CPU core time on input. Won't the outgoing card fall on its knees with dummynet's burst spikes? Thanks :)
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