On 24/07/2012, at 14.16, Otto Moerbeek wrote:
> On Tue, Jul 24, 2012 at 01:52:03PM +0200, Peter Hessler wrote:
>
>> On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramsh?j
wrote:
>> :Current tuning, apart from kernel defaults:
>> :and also modified /etc/sysctl somewhat - most changes below are from
>> :https://calomel.org/network_performance.html:
>>
>> Revert all changes recommended by this page, they hurt performance and
>> do not help.
>>
>> calomel.org is only bad juju.
>>
>>
>> --
>> In case of atomic attack, the federal ruling against prayer in schools
>> will be temporarily canceled.
>
> Also, the OP didn't say if pf is active or not. By default pf is
> enabled these days, switch off by setting pf=NO in rc.conf.local
sorry, but tried both, some difference, some improvement, as shown below
hlk@xpc02:hlk$ sudo pfctl -d
pf disabled
hlk@xpc02:hlk$ tcpbench -u 10.0.10.30
Elapsed: 1000 Mbps: 1943.217 Peak Mbps: 1943.217 Tx PPS: 165015
Elapsed: 2000 Mbps: 1944.761 Peak Mbps: 1944.761 Tx PPS: 165146
Elapsed: 3000 Mbps: 1942.852 Peak Mbps: 1944.761 Tx PPS: 164984
Elapsed: 4000 Mbps: 1942.710 Peak Mbps: 1944.761 Tx PPS: 164972
hlk@xpc02:hlk$ tcpbench -n 4 10.0.10.30
elapsed_ms bytes mbps bwidth
1000 114326840 914.615 28.58%
1000 86697552 693.580 21.67%
1000 111178888 889.431 27.79%
1000 87886360 703.091 21.97%
Conn: 4 Mbps: 3200.717 Peak Mbps: 3200.717 Avg Mbps: 800.179
2001 79059352 631.843 19.21%
2001 127067792 1016.542 30.87%
2001 135531352 1084.251 32.93%
2001 69944248 559.554 16.99%
Conn: 4 Mbps: 3292.190 Peak Mbps: 3292.190 Avg Mbps: 823.048
3003 101616720 812.122 25.16%
3003 98757024 789.267 24.45%
3003 103894144 830.323 25.72%
3003 99604280 796.038 24.66%
Conn: 4 Mbps: 3227.750 Peak Mbps: 3292.190 Avg Mbps: 806.937
But still waaaaay below expectations :-(
Best regards
Henrik
--
Henrik Lund Kramshøj, Follower of the Great Way of Unix
[email protected] [email protected]
+45 2026 6000 cand.scient CISSP
http://solidonetworks.com/ Network Security is a business enabler
