|Subject:||Re: IMQ again WAS(Re: iptables breakage WAS(Re: dummy as IMQ replacement|
|From:||Andy Furniss <andy.furniss@xxxxxxxxxxxxx>|
|Date:||Sun, 27 Mar 2005 20:35:21 +0100|
|Cc:||Harald Welte <laforge@xxxxxxxxxxxx>, Patrick McHardy <kaber@xxxxxxxxx>, Remus <rmocius@xxxxxxxxxxxxxx>, netdev <netdev@xxxxxxxxxxx>, Nguyen Dinh Nam <nguyendinhnam@xxxxxxxxx>, Andre Tomt <andre@xxxxxxxx>, syrius.ml@xxxxxxxxxx, Damion de Soto <damion@xxxxxxxxxxxx>|
|References:||<1107123123.8021.80.camel@xxxxxxxxxxxxxxxx> <1111410890.1092.195.camel@xxxxxxxxxxxxxxxx> <423F41AD.3010902@xxxxxxxxxxxxx> <1111444869.1072.51.camel@xxxxxxxxxxxxxxxx> <423F71C2.8040802@xxxxxxxxxxxxx> <1111462263.1109.6.camel@xxxxxxxxxxxxxxxx> <42408998.5000202@xxxxxxxxxxxxx> <1111550254.1089.21.camel@xxxxxxxxxxxxxxxx> <4241C478.5030309@xxxxxxxxxxxxx> <1111607112.1072.48.camel@xxxxxxxxxxxxxxxx> <4241D764.2030306@xxxxxxxxxxxxx> <1111612042.1072.53.camel@xxxxxxxxxxxxxxxx> <4241F1D2.9050202@xxxxxxxxxxxxx> <4241F7F0.2010403@xxxxxxxxxxxxx> <1111625608.1037.16.camel@xxxxxxxxxxxxxxxx> <424212F7.10106@xxxxxxxxxxxxx> <1111663947.1037.24.camel@xxxxxxxxxxxxxxxx> <1111665450.1037.27.camel@xxxxxxxxxxxxxxxx> <4242DFB5.9040802@xxxxxxxxxxxxx> <1111749220.1092.457.camel@xxxxxxxxxxxxxxxx> <42446DB2.9070809@xxxxxxxxxxxxx> <1111781443.1092.631.camel@xxxxxxxxxxxxxxxx> <4244802C.7020202@xxxxxxxxxxxxx> <1111788760.1090.712.camel@xxxxxxxxxxxxxxxx>|
|User-agent:||Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b) Gecko/20050217|
I'll have to re-run a test I did recently which was lots of tc filter matches at 8000pps - on egress IMQ was almost as good as directly on eth0. On ingress it was more than 10X worse.How many filters? I wont suspect any difference between ingress and egress.
You are right - the test was to blame.I was using my old PC as sender, it's frozen in time at 2.4.20 which for some reason has a txqueuelen on eth0 of 0. It doesn't show using netperf when just testing LAN speed - but makes alot of difference for the test I did - ifconfig eth0 txqueuelen 1000 fixed it.
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