Date: Sun, 19 Mar 2006 14:09:14 +0100 From: "OxY" <oxy@field.hu> To: "Sten Spans" <sten@blinkenlights.nl>, "Arne Woerner" <arne_woerner@yahoo.com> Cc: freebsd-performance@freebsd.org Subject: Re: packet drop with intel gigabit / marwell gigabit Message-ID: <000c01c64b56$52465710$0201a8c0@oxy> References: <20060319124801.1717.qmail@web30308.mail.mud.yahoo.com> <Pine.SOC.4.61.0603191351530.21876@tea.blinkenlights.nl>
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----- Original Message ----- From: "Sten Spans" <sten@blinkenlights.nl> To: "Arne Woerner" <arne_woerner@yahoo.com> Cc: "OxY" <oxy@field.hu>; <freebsd-performance@freebsd.org> Sent: Sunday, March 19, 2006 1:56 PM Subject: Re: packet drop with intel gigabit / marwell gigabit > On Sun, 19 Mar 2006, Arne Woerner wrote: > >> --- OxY <oxy@field.hu> wrote: >> Then it might be the main board like somebody else wrote some >> minutes ago (maybe ur main board cannot move so much data so >> quickly)? >> My Athlon XP 2400+ can do more than 2000Mbit/sec, when I do >> dd if=/dev/zero of=/dev/null bs=1m count=1000 >> Maybe u want to try the same on ur "patient"? > > The main thing to look out for is the pci-bus. > A normal 33mhz/64bits pci bus can only do about > 100 megabyte, if storage and and network are both > connected to this bus contention will happen. > > (70mb ide, and 500mbit network just won't fit) i have ~50mbit traffic on fxp0 x2 disk read = 100Mbit and currently have ~200-250mbit on em0 x 2 disk write = 400-500Mbit so 500Mbit total with disk r/w.. both network cards and all disks are in pci slot (33mhz/32bit) > -- > Sten Spans > > "There is a crack in everything, that's how the light gets in." > Leonard Cohen - Anthem
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