Transfer Tests
| From: | HEP@UCL, London, UK | pc43.hep.ucl.ac.uk |
|
To: |
RAL, Oxfordshire, UK | dev04.hepgrid.rl.ac.uk |
| Date: | 27th July 2001 |
Transfer tests using iperf with 'readvars' web100 monitoring. Tests were conducted with 30 second transfers for various buffer sizes.
Settings
| Buffer Size (kb) | Transfer Rate (Mbits/sec) | Recoveries (Delta) | Timeouts (Delta) | PktsOut (Delta) | DataPktsOut (Delta) | %DataPktsOut | AckPktsOut (Delta) | TimeoutsAfterFR (Delta) | PktsRetrans (Delta) | %PktsRetrans | DupAcksIn (Delta) | DSACKDups (Delta) | SACKsRcvd (Delta) | DataBytesOut (Delta) | BytesRetrans (Delta) | %BytesRetrans | SumRTT (Delta) | CountRTT (Delta) | AveragRTT | Ave Dynamic Buffer (kB) |
| 4 | 8.9 | 0 | 0 | 24318 | 24317 | 0.999958878 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 33259520 | 0 | 0 | 65530 | 10265 | 6.383828544 | 6.55387931 |
| 8 | 18.8 | 0 | 0 | 49221 | 49219 | 0.999959367 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 70401632 | 0 | 0 | 146500 | 23296 | 6.288633242 | 13.79579741 |
| 16 | 31.1 | 4 | 1 | 86131 | 86126 | 0.999941949 | 1 | 0 | 4 | 4.64409E-05 | 59 | 40 | 630 | 117666992 | 3848 | 3.27025E-05 | 265350 | 35983 | 7.374315649 | 25.97844828 |
| 32 | 37 | 0 | 0 | 101599 | 101598 | 0.999990157 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 138723328 | 0 | 0 | 509430 | 42415 | 12.01060945 | 52.16864224 |
| 64 | 38.9 | 1 | 0 | 100785 | 100773 | 0.999880935 | 1 | 0 | 11 | 0.000109143 | 32 | 43 | 891 | 145904816 | 15928 | 0.000109167 | 661480 | 50637 | 13.06317515 | 62.26751078 |
| 96 | 39.4 | 2 | 0 | 102281 | 102273 | 0.999921784 | 1 | 0 | 7 | 6.84389E-05 | 79 | 44 | 1871 | 148086784 | 10136 | 6.84464E-05 | 658930 | 51271 | 12.85190459 | 62.21875 |
| 128 | 39.3 | 1 | 0 | 101839 | 101836 | 0.999970542 | 1 | 0 | 2 | 1.96388E-05 | 42 | 1 | 945 | 147456000 | 2896 | 1.96398E-05 | 663960 | 51238 | 12.95835122 | 62.21875 |
| 192 | 39.1 | 1 | 0 | 101497 | 101495 | 0.999980295 | 1 | 0 | 1 | 9.85251E-06 | 42 | 0 | 946 | 146964480 | 1448 | 9.85272E-06 | 674140 | 51412 | 13.11250292 | 62.46255388 |
| 256 | 39.5 | 0 | 0 | 102520 | 102519 | 0.999990246 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 148447232 | 0 | 0 | 665950 | 51485 | 12.93483539 | 62.21875 |
| 512 | 39.7 | 0 | 0 | 103409 | 103408 | 0.99999033 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 149733376 | 0 | 0 | 664400 | 51769 | 12.83393537 | 62.21875 |
| Wed, 23 July, 2003 13:07 |   |
Room D14, High Energy Particle Physics, Dept. of Physics & Astronomy, UCL, Gower St, London, WC1E 6BT
