Date: Mon, 12 Jan 2004 15:37:11 +0200 From: Andriy Korud <akorud@polynet.lviv.ua> To: freebsd-net@freebsd.org Subject: Poor network/forwarding performance Message-ID: <1073914631.4002a30736eab@isp.polynet.lviv.ua>
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Hi. Some time ago I was posting here message concerning poor ipnat performance. However I've found that even without nat (clear forwarding) performance is also poor - at about 6Mbit system gradually becomes completely unresponsible but return to normal state immediately after disconnecting network cable. System is: Xeon 2.8GHz/4-STABLE/Intel gigabit network card (em0). Device polling is enabled. Mbufs - 1% in use. And what I've noticed - in that (or near) state top shows 100% usage by top itself (and sometimes I've noticed 137% CPU usage!?) Any ideas, where can I look and check? Best regards, Andriy Korud
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