[Openstack] Network speed issue
Georgios Dimitrakakis
giorgis at acmac.uoc.gr
Tue Dec 16 22:18:29 UTC 2014
Rick and others,
I have installed netperf from the top of trunk and build it with the
--enable-demo option as suggested previously.
This is the output for a test performed on two VMs located at the same
hypervisor:
# netperf -t TCP_STREAM -H 10.0.0.6 -D 1.0 -l 30
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
10.0.0.6 () port 0 AF_INET : demo
Interim result: 2241.61 10^6bits/s over 1.016 seconds ending at
1418767226.713
Interim result: 1930.81 10^6bits/s over 1.161 seconds ending at
1418767227.874
Interim result: 2382.14 10^6bits/s over 1.001 seconds ending at
1418767228.875
Interim result: 2349.73 10^6bits/s over 1.014 seconds ending at
1418767229.889
Interim result: 2434.23 10^6bits/s over 1.002 seconds ending at
1418767230.891
Interim result: 2346.76 10^6bits/s over 1.037 seconds ending at
1418767231.928
Interim result: 2255.50 10^6bits/s over 1.040 seconds ending at
1418767232.969
Interim result: 2315.00 10^6bits/s over 1.038 seconds ending at
1418767234.006
Interim result: 2263.04 10^6bits/s over 1.023 seconds ending at
1418767235.029
Interim result: 2126.80 10^6bits/s over 1.064 seconds ending at
1418767236.093
Interim result: 2203.87 10^6bits/s over 1.001 seconds ending at
1418767237.095
Interim result: 2321.52 10^6bits/s over 1.000 seconds ending at
1418767238.095
Interim result: 1846.11 10^6bits/s over 1.258 seconds ending at
1418767239.353
Interim result: 1948.17 10^6bits/s over 1.000 seconds ending at
1418767240.353
Interim result: 2429.19 10^6bits/s over 1.000 seconds ending at
1418767241.353
Interim result: 2503.26 10^6bits/s over 1.002 seconds ending at
1418767242.355
Interim result: 2503.27 10^6bits/s over 1.000 seconds ending at
1418767243.355
Interim result: 2099.87 10^6bits/s over 1.192 seconds ending at
1418767244.547
Interim result: 1591.18 10^6bits/s over 1.320 seconds ending at
1418767245.867
Interim result: 2410.69 10^6bits/s over 1.002 seconds ending at
1418767246.868
Interim result: 2478.45 10^6bits/s over 1.000 seconds ending at
1418767247.869
Interim result: 2468.05 10^6bits/s over 1.004 seconds ending at
1418767248.873
Interim result: 2058.11 10^6bits/s over 1.199 seconds ending at
1418767250.072
Interim result: 2318.82 10^6bits/s over 1.002 seconds ending at
1418767251.074
Interim result: 2452.13 10^6bits/s over 1.001 seconds ending at
1418767252.075
Interim result: 2389.36 10^6bits/s over 1.026 seconds ending at
1418767253.102
Interim result: 2474.32 10^6bits/s over 1.000 seconds ending at
1418767254.102
Interim result: 2298.98 10^6bits/s over 1.076 seconds ending at
1418767255.178
Interim result: 2149.12 10^6bits/s over 0.519 seconds ending at
1418767255.697
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 30.00 2248.81
The test between VMs on different nodes produces the following:
# netperf -t TCP_STREAM -H 10.0.0.7 -D 1.0 -l 30
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
10.0.0.7 () port 0 AF_INET : demo
Interim result: 701.81 10^6bits/s over 1.001 seconds ending at
1418767743.121
Interim result: 741.16 10^6bits/s over 1.001 seconds ending at
1418767744.122
Interim result: 677.68 10^6bits/s over 1.094 seconds ending at
1418767745.216
Interim result: 687.66 10^6bits/s over 1.004 seconds ending at
1418767746.220
Interim result: 680.56 10^6bits/s over 1.011 seconds ending at
1418767747.231
Interim result: 676.75 10^6bits/s over 1.006 seconds ending at
1418767748.236
Interim result: 726.85 10^6bits/s over 1.007 seconds ending at
1418767749.243
Interim result: 654.37 10^6bits/s over 1.111 seconds ending at
1418767750.354
Interim result: 683.19 10^6bits/s over 1.005 seconds ending at
1418767751.359
Interim result: 712.31 10^6bits/s over 1.003 seconds ending at
1418767752.362
Interim result: 687.51 10^6bits/s over 1.036 seconds ending at
1418767753.398
Interim result: 719.50 10^6bits/s over 1.004 seconds ending at
1418767754.402
Interim result: 699.09 10^6bits/s over 1.029 seconds ending at
1418767755.432
Interim result: 699.32 10^6bits/s over 1.004 seconds ending at
1418767756.436
Interim result: 709.26 10^6bits/s over 1.005 seconds ending at
1418767757.441
Interim result: 720.16 10^6bits/s over 1.003 seconds ending at
1418767758.444
Interim result: 719.09 10^6bits/s over 1.003 seconds ending at
1418767759.447
Interim result: 731.69 10^6bits/s over 1.008 seconds ending at
1418767760.456
Interim result: 731.18 10^6bits/s over 1.001 seconds ending at
1418767761.456
Interim result: 726.45 10^6bits/s over 1.007 seconds ending at
1418767762.463
Interim result: 721.67 10^6bits/s over 1.007 seconds ending at
1418767763.469
Interim result: 673.96 10^6bits/s over 1.071 seconds ending at
1418767764.540
Interim result: 671.50 10^6bits/s over 1.006 seconds ending at
1418767765.546
Interim result: 703.04 10^6bits/s over 1.001 seconds ending at
1418767766.547
Interim result: 707.66 10^6bits/s over 1.007 seconds ending at
1418767767.554
Interim result: 686.38 10^6bits/s over 1.031 seconds ending at
1418767768.585
Interim result: 697.72 10^6bits/s over 1.005 seconds ending at
1418767769.590
Interim result: 709.24 10^6bits/s over 1.000 seconds ending at
1418767770.590
Interim result: 720.89 10^6bits/s over 1.000 seconds ending at
1418767771.590
Interim result: 727.09 10^6bits/s over 0.530 seconds ending at
1418767772.120
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 30.02 702.39
Both results show a really high bandwidth but I can't get that speed
for file transfers.
Regards,
George
>> Read the names carefully again :)
>> I was suggesting what I used to do in the past when on a new
>> OpenStack
>> install I had this problem.
>
> Indeed, I got the names crossed. Anyway, running netperf is
> worthwhile even in a Neutron environment. Run it early. Run it
> often
> :)
>
> rick
>
>
> _______________________________________________
> Mailing list:
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
> Post to : openstack at lists.openstack.org
> Unsubscribe :
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
More information about the Openstack
mailing list