Date: Wed, 11 Jun 2008 17:37:55 +0200 From: Gerrit =?ISO-8859-1?Q?K=FChn?= <gerrit@pmp.uni-hannover.de> To: freebsd-stable@FreeBSD.ORG Cc: Oliver Fromme <olli@lurza.secnetix.de> Subject: Re: broken re(4) Message-ID: <20080611173755.e381fcf0.gerrit@pmp.uni-hannover.de> In-Reply-To: <200806111526.m5BFQT2p059130@lurza.secnetix.de> References: <20080611092457.82c83083.gerrit@pmp.uni-hannover.de> <200806111526.m5BFQT2p059130@lurza.secnetix.de>
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On Wed, 11 Jun 2008 17:26:29 +0200 (CEST) Oliver Fromme <olli@lurza.secnetix.de> wrote about Re: broken re(4): OF> > On the other hand, I have not been able to get more than about OF> > 10MByte/s through the interfaces of this particular system. I have OF> > 1GBit-networking equipment, and the other systems (which are used OF> > as router) have no problem doing a throughput of >20MB/s. Even OF> > bonding the two interfaces using lagg(4) does not improve the OF> > performance - where else could be the bottleneck? OF> A few questions or hints ... OF> - What is the CPU usage during your network test (user, OF> sys, intr, idle)? I will test and report that tomorrow. OF> - Do you see errors in "netstat -i"? None. OF> - Do you use jumbo frames? No. OF> - Is polling enabled? No. I tested polling on a lot of different machines earlier and never found it to improve performance so far (same for jumbo frames, btw). OF> - Are there any network-related sysctls (/etc/sysctl.conf) OF> or kernel settings? Have you enabled kernel debugging OF> features (INVARIANTS, WITNESS etc.)? No, stock GENERIC, only with a lot of things disabled. OF> - Do you have any packet filter rules (PF, IPF, IPFW)? No, not on this machine. The faster machines are router/firewalls, they do filtering; so it should be something different... cu Gerrit
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