Date: Thu, 28 Oct 2010 13:41:58 -0700 From: Chuck Swiger <cswiger@mac.com> To: =?utf-8?B?0JrQvtC90YzQutC+0LIg0JXQstCz0LXQvdC40Lk=?= <kes-kes@yandex.ru> Cc: freebsd-net@freebsd.org Subject: Re: Polling slows down bandwidth Message-ID: <1452146D-A590-4676-A662-14D0EEE82152@mac.com> In-Reply-To: <1519248747.20101028232111@yandex.ru> References: <1519248747.20101028232111@yandex.ru>
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On Oct 28, 2010, at 1:21 PM, =EB=CF=CE=D8=CB=CF=D7 =E5=D7=C7=C5=CE=C9=CA = wrote: > [ ... ] What is "sysctl kern.clockrate", and have you increased kern.hz in = /boot/loader.conf to at least 1000, if not 2000 or 4000? Polling mode operation generally performs better when using older 100Mbs = ethernet NICs which do not support interrupt mitigation and various = capabilities like TSO4; gigabit ethernet NICs are smarter hardware and = can generally outperform polling mode. Regards, --=20 -Chuck
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