Date: Thu, 11 Nov 2010 13:31:56 -0800 From: Pyun YongHyeon <pyunyh@gmail.com> To: "rene@reckschwardt.de" <rene@reckschwardt.de> Cc: freebsd-net@freebsd.org Subject: Re: ML370 G4 with poor Network Performance and high CPU Load Message-ID: <20101111213156.GG17566@michelle.cdnetworks.com> In-Reply-To: <20101111193534.A7D838090AAD@rds11224.i4e-server.de> References: <20101111193534.A7D838090AAD@rds11224.i4e-server.de>
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On Thu, Nov 11, 2010 at 07:35:32PM +0000, rene@reckschwardt.de wrote: > Hello, > > i am new in this Maillist and i use an ML370G4 with FreeBSD 8.1 AMD64. I > try with netio and TCP. The used Nics are onboard Broadcom > (PCI-X133Mhz), an Broadcom PCI-X Nic and an intel PCI-X Nic. The CPU > load is around 35% and the performance like this: > > Packet size 1k bytes: 99303 KByte/s Tx, 44576 KByte/s Rx. > Packet size 2k bytes: 72043 KByte/s Tx, 75200 KByte/s Rx. > Packet size 4k bytes: 23280 KByte/s Tx, 66072 KByte/s Rx. > Packet size 8k bytes: 55234 KByte/s Tx, 64470 KByte/s Rx. > Packet size 16k bytes: 82485 KByte/s Tx, 74099 KByte/s Rx. > Packet size 32k bytes: 93133 KByte/s Tx, 74992 KByte/s Rx. > And you did perform the test on idle system?(No disk activity, no other network IOs etc). Show me the dmesg output of verbose boot and output of "pciconf -lcbv". > I try the following tuning: > > kern.ipc.maxsockbuf=16777216 > net.inet.tcp.sendbuf_max=16777216 > net.inet.tcp.recvbuf_max=16777216 > net.inet.tcp.sendbuf_inc=16384 > net.inet.tcp.recvbuf_inc=524288 > net.inet.tcp.inflight.enable=0 > net.inet.tcp.hostcache.expire=1 > > but this is not helpfull, the Load goes to 60% and the Performance is > also poor. How can i prevent this Problem? > > thanks for response r? > > > P.S. the same Computer with Linux runs perfect with Performance and 1-2% > Load, >
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