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, Коньков Евгений 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, -- -Chuck
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