On Fri, 12 Mar 2021 at 11:10, Michael Goulish <mgoul...@redhat.com> wrote: > > Dispatch Router TCP throughput test over a 40 Gbit/sec link, > with 0, 1, and 2 routers. > ================================================================= > > > I am including complete setup details below, because I would > like some help making sure I did everything right. >
When you figure that out, perhaps it could drive adding some documentation so others dont have the same issue. > > > *Basic idea * > > Two good-sized machines with a 40 Gbit link between > them. An iperf3 server running on one machine, an > iperf3 client running on the other. Dispatch Routers > running on both machines, and connected to each other. > The iperf3 client connects directly to the iperf3 server > for the 0-routers test, or it connects to the router on > the other box for the 1-router test, or it connects to > the router on its own box for the two-router test. > > I make sure that the data really is following the path > I think it is (in the 1- and 2-router tests) by killing > one or more involved routers and confirming that the > client can no longer connect. > > Both Dispatch Routers have BUFFER_SIZE = 4096 > in src/buffer.c . > > The tests run for 60 seconds. > > > *Result * > > I'll just give the summary numbers for now. I'll make some > graphs later so we can see how smooth or choppy the throughput > was. Also I will run all of these 5x to see variability. > > But for now, mostly interested in help checking correctness. > > > > *0 routers : 22.1 Gbits / sec* ( iperf3 server at 100% CPU ) > > *1 router : 21.9 GBits / sec* > > *2 routers : 21.7 GBits / sec* > > > > *Setup* > > *The machines :* > > Brontonomicon : 32 core, 256 GB -- the server runs here > 10.10.10.1 on the 40 Gbe interface > > Colossus-Guardian : 16 core, 128 GB -- the client runs here > 10.10.10.2 on the 40 Gbe interface > > > > > *Router Config Files :* > > > Brontonomicon > > router { > debugDump: qddebug.txt > mode: interior > id: A > workerThreads: 32 > } > address { > prefix: closest > distribution: closest > } > listener { > stripAnnotations: no > idleTimeoutSeconds: 120 > saslMechanisms: ANONYMOUS > host: 0.0.0.0 > role: normal > authenticatePeer: no > port: 5672 > linkCapacity: 10 > } > listener { > role: inter-router > host: 10.10.10.1 > port: 5800 > saslMechanisms: ANONYMOUS > } > > # Accept TCP traffic over the fast link. > tcpListener { > host: 10.10.10.1 > port: 5801 > address: pair-1 > siteId: my-site > } > > # Send TCP traffic to server on this box. > tcpConnector { > host: 0.0.0.0 > port: 5802 > address: pair-1 > siteId: my-site > } > > > > > Colossus-Guardian > > > router { > debugDump: qddebug.txt > mode: interior > id: B > workerThreads: 16 > } > address { > prefix: closest > distribution: closest > } > listener { > stripAnnotations: no > idleTimeoutSeconds: 120 > saslMechanisms: ANONYMOUS > host: 0.0.0.0 > role: normal > authenticatePeer: no > port: 5672 > linkCapacity: 10 > } > listener { > role: inter-router > host: 10.10.10.2 > port: 5860 > saslMechanisms: ANONYMOUS > } > connector { > role: inter-router > host: 10.10.10.1 > port: 5800 > saslMechanisms: ANONYMOUS > } > > # Accept TCP traffic from client on this box. > tcpListener { > host: 0.0.0.0 > port: 5861 > address: pair-1 > siteId: my-site > } > > # Send TCP traffic to other router over fast link. > tcpConnector { > host: 10.10.10.1 > port: 5801 > address: pair-1 > siteId: my-site > } > > > > > > > *The Iperf3 Commands* > > > > On Br (10.10.10.1), the server command is always the same : > > iperf3 -s -p 5802 > > > > On CG (10.10.10.2), the client commands are : > > For 0-router, connect directly to the server : > > iperf3 -c 10.10.10.1 -p 5802 -t 60 -P 3 > > ( "-P 3" means "use 3 parallel streams". This causes the > server on the other box to go to 100% CPU. ) > > > For 1-router, connect to the router on Bronto : > > iperf3 -c 10.10.10.1 -p 5801 -t 60 -P 3 > > > For 2-router, connect to the router on this box : > > iperf3 -c 0.0.0.0 -p 5861 -t 60 -P 3 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@qpid.apache.org For additional commands, e-mail: users-h...@qpid.apache.org