[root@dct00 ~]# ping gk03.swt2.uta.edu
PING gk03.swt2.uta.edu (129.107.255.4) 56(84) bytes of data.
64 bytes from gk03.swt2.uta.edu (129.107.255.4): icmp_seq=0 ttl=50 time=64.0 ms
64 bytes from gk03.swt2.uta.edu (129.107.255.4): icmp_seq=1 ttl=50 time=64.2 ms
--- gk03.swt2.uta.edu ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 64.012/64.139/64.267/0.283 ms, pipe 2
[root@dct00 ~]# tracepath gk03.swt2.uta.edu
1: dct00.usatlas.bnl.gov (192.12.15.8) 0.154ms pmtu 1500
1: hsrp.usatlas.bnl.gov (192.12.15.24) 2.306ms
2: bnlmr1-bnlsite.es.net (198.124.216.177) 3.023ms
3: aoacr1-bnlmr1.es.net (134.55.217.58) asymm 4 2.638ms
4: chiccr1-aofacr1.es.net (134.55.218.93) asymm 5 29.529ms
5: chislsdn1-chicr1.es.net (134.55.207.34) asymm 6 29.656ms
6: chislmr1-chislsdn1.es.net (134.55.219.26) 29.956ms
7: star-esnet.abilene.iu.edu (198.125.140.230) asymm 8 301.004ms
8: so-4-3-0.0.rtr.kans.net.internet2.edu (64.57.28.36) asymm 9 50.713ms
9: 64.57.28.57 (64.57.28.57) asymm 10 68.487ms
10: hstn-hstn-newnet-ge-1-0-2-27-layer3.tx-learn.net (74.200.187.6) asymm 11 55.842ms
11: dlls-hstn-newnet-ge-1-0-0-309-layer3.tx-learn.net (74.200.187.18) asymm 12 61.108ms
12: ntg-dlls-newnet-layer3.tx-learn.net (74.200.187.22) asymm 13 61.355ms
13: ntg-gw1-rcsntx-vl-403-ge-2-3-0.northtexasgigapop.org (206.223.141.137) asymm 14 61.987ms
14: as16905_uta7206.uta.edu (129.107.35.46) 63.385ms
15: gk03.swt2.uta.edu (129.107.255.4) 64.380ms !H
Resume: pmtu 1500
[root@dct00 ~]#
[root@dct00 ~]# iperf -s -w 4MB -i 4
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[ 4] local 192.12.15.8 port 5001 connected with 129.107.255.9 port 58540
[ 4] 0.0- 4.0 sec 2.33 MBytes 4.88 Mbits/sec
[ 4] 4.0- 8.0 sec 2.54 MBytes 5.32 Mbits/sec
[ 4] 8.0-12.0 sec 4.42 MBytes 9.28 Mbits/sec
[ 4] 12.0-16.0 sec 11.9 MBytes 24.9 Mbits/sec
[ 4] 16.0-20.0 sec 22.5 MBytes 47.1 Mbits/sec
[ 4] 20.0-24.0 sec 24.0 MBytes 50.3 Mbits/sec
[ 4] 24.0-28.0 sec 25.4 MBytes 53.3 Mbits/sec
[ 4] 28.0-32.0 sec 26.8 MBytes 56.2 Mbits/sec
[ 4] 32.0-36.0 sec 16.9 MBytes 35.3 Mbits/sec
[ 4] 36.0-40.0 sec 15.1 MBytes 31.6 Mbits/sec
[ 4] 40.0-44.0 sec 16.4 MBytes 34.3 Mbits/sec
[ 4] 44.0-48.0 sec 17.8 MBytes 37.4 Mbits/sec
[ 4] 48.0-52.0 sec 19.3 MBytes 40.5 Mbits/sec
[ 4] 52.0-56.0 sec 20.8 MBytes 43.6 Mbits/sec
[ 4] 56.0-60.0 sec 22.2 MBytes 46.6 Mbits/sec
[ 4] 0.0-60.6 sec 252 MBytes 34.9 Mbits/sec
/pre>
---++++ Network test from BNL to NetworkPerformanceUTA before network tuning.
[root@dct00 ~]# iperf -c ndt.swt2.uta.edu -w 4MB -i 4 -t 60
------------------------------------------------------------
Client connecting to ndt.swt2.uta.edu, TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[ 3] local 192.12.15.8 port 41951 connected with 129.107.255.9 port 5001
[ 3] 0.0- 4.0 sec 53.7 MBytes 113 Mbits/sec
[ 3] 4.0- 8.0 sec 155 MBytes 324 Mbits/sec
[ 3] 8.0-12.0 sec 11.4 MBytes 24.0 Mbits/sec
[ 3] 12.0-16.0 sec 1.97 MBytes 4.13 Mbits/sec
[ 3] 16.0-20.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 20.0-24.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 24.0-28.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 28.0-32.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 32.0-36.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 36.0-40.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 40.0-44.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 44.0-48.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 48.0-52.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 52.0-56.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 56.0-60.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 60.0-64.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] 0.0-66.4 sec 222 MBytes 28.0 Mbits/sec
Second try:
[root@dct00 ~]# iperf -c ndt.swt2.uta.edu -w 4MB -i 4 -t 60
------------------------------------------------------------
Client connecting to ndt.swt2.uta.edu, TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[ 3] local 192.12.15.8 port 41953 connected with 129.107.255.9 port 5001
[ 3] 0.0- 4.0 sec 82.3 MBytes 173 Mbits/sec
[ 3] 4.0- 8.0 sec 97.0 MBytes 203 Mbits/sec
[ 3] 8.0-12.0 sec 113 MBytes 236 Mbits/sec
[ 3] 12.0-16.0 sec 130 MBytes 273 Mbits/sec
[ 3] 16.0-20.0 sec 163 MBytes 342 Mbits/sec
[ 3] 20.0-24.0 sec 127 MBytes 266 Mbits/sec
[ 3] 24.0-28.0 sec 105 MBytes 220 Mbits/sec
[ 3] 28.0-32.0 sec 138 MBytes 290 Mbits/sec
[ 3] 32.0-36.0 sec 165 MBytes 347 Mbits/sec
[ 3] 36.0-40.0 sec 183 MBytes 384 Mbits/sec
[ 3] 40.0-44.0 sec 180 MBytes 378 Mbits/sec
[ 3] 44.0-48.0 sec 92.4 MBytes 194 Mbits/sec
[ 3] 48.0-52.0 sec 117 MBytes 244 Mbits/sec
[ 3] 52.0-56.0 sec 144 MBytes 301 Mbits/sec
[ 3] 56.0-60.0 sec 186 MBytes 390 Mbits/sec
[ 3] 0.0-60.0 sec 1.98 GBytes 283 Mbits/sec
We used four streams:
[root@dct00 ~]# iperf -c ndt.swt2.uta.edu -w 4MB -i 4 -t 60 -P 4 | grep -i SUM
[SUM] 0.0- 4.0 sec 205 MBytes 430 Mbits/sec
[SUM] 4.0- 8.0 sec 228 MBytes 479 Mbits/sec
[SUM] 8.0-12.0 sec 219 MBytes 460 Mbits/sec
[SUM] 12.0-16.0 sec 225 MBytes 472 Mbits/sec
[SUM] 16.0-20.0 sec 223 MBytes 468 Mbits/sec
[SUM] 20.0-24.0 sec 220 MBytes 461 Mbits/sec
[SUM] 24.0-28.0 sec 224 MBytes 471 Mbits/sec
[SUM] 28.0-32.0 sec 224 MBytes 469 Mbits/sec
[SUM] 32.0-36.0 sec 225 MBytes 471 Mbits/sec
[SUM] 36.0-40.0 sec 220 MBytes 461 Mbits/sec
[SUM] 40.0-44.0 sec 221 MBytes 464 Mbits/sec
[SUM] 44.0-48.0 sec 226 MBytes 475 Mbits/sec
[SUM] 48.0-52.0 sec 227 MBytes 476 Mbits/sec
[SUM] 52.0-56.0 sec 185 MBytes 387 Mbits/sec
[SUM] 56.0-60.0 sec 18.2 MBytes 38.1 Mbits/sec
[SUM] 0.0-93.0 sec 3.02 GBytes 279 Mbits/sec
We tested network performance on a different server:
[root@dct00 ~]# iperf -s -w 4MB -i 4
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[ 4] local 192.12.15.8 port 5001 connected with 129.107.255.4 port 36860
[ 4] 0.0- 4.0 sec 9.13 MBytes 19.1 Mbits/sec
[ 4] 4.0- 8.0 sec 10.8 MBytes 22.6 Mbits/sec
[ 4] 8.0-12.0 sec 12.2 MBytes 25.6 Mbits/sec
[ 4] 12.0-16.0 sec 13.6 MBytes 28.6 Mbits/sec
[ 4] 16.0-20.0 sec 15.1 MBytes 31.6 Mbits/sec
[ 4] 20.0-24.0 sec 16.5 MBytes 34.7 Mbits/sec
[ 4] 24.0-28.0 sec 18.0 MBytes 37.7 Mbits/sec
[ 4] 28.0-32.0 sec 19.5 MBytes 40.8 Mbits/sec
[ 4] 32.0-36.0 sec 20.8 MBytes 43.6 Mbits/sec
[ 4] 36.0-40.0 sec 22.2 MBytes 46.6 Mbits/sec
[ 4] 40.0-44.0 sec 23.6 MBytes 49.4 Mbits/sec
[ 4] 44.0-48.0 sec 24.9 MBytes 52.3 Mbits/sec
[ 4] 48.0-52.0 sec 26.4 MBytes 55.4 Mbits/sec
[ 4] 52.0-56.0 sec 27.8 MBytes 58.3 Mbits/sec
[ 4] 56.0-60.0 sec 11.8 MBytes 24.8 Mbits/sec
[ 4] 60.0-64.0 sec 5.28 MBytes 11.1 Mbits/sec
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 4MB -t 60 -i 5 -p 20000
------------------------------------------------------------
Client connecting to gk03.swt2.uta.edu, TCP port 20000
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[ 3] local 192.12.15.8 port 41963 connected with 129.107.255.4 port 20000
[ 3] 0.0- 5.0 sec 72.3 MBytes 121 Mbits/sec
[ 3] 5.0-10.0 sec 123 MBytes 206 Mbits/sec
[ 3] 10.0-15.0 sec 135 MBytes 227 Mbits/sec
[ 3] 15.0-20.0 sec 212 MBytes 355 Mbits/sec
[ 3] 20.0-25.0 sec 116 MBytes 194 Mbits/sec
[ 3] 25.0-30.0 sec 159 MBytes 266 Mbits/sec
[ 3] 30.0-35.0 sec 181 MBytes 304 Mbits/sec
[ 3] 35.0-40.0 sec 232 MBytes 389 Mbits/sec
[ 3] 40.0-45.0 sec 233 MBytes 391 Mbits/sec
[ 3] 45.0-50.0 sec 104 MBytes 174 Mbits/sec
[ 3] 50.0-55.0 sec 159 MBytes 267 Mbits/sec
[ 3] 55.0-60.0 sec 142 MBytes 238 Mbits/sec
[ 3] 0.0-60.1 sec 1.82 GBytes 261 Mbits/sec
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 4MB -t 60 -i 5 -p 20000 -P 4 | gr
ep -i SUM
[SUM] 0.0- 5.0 sec 192 MBytes 322 Mbits/sec
[SUM] 5.0-10.0 sec 199 MBytes 333 Mbits/sec
[SUM] 10.0-15.0 sec 259 MBytes 435 Mbits/sec
[SUM] 15.0-20.0 sec 256 MBytes 430 Mbits/sec
[SUM] 20.0-25.0 sec 284 MBytes 477 Mbits/sec
[SUM] 25.0-30.0 sec 187 MBytes 313 Mbits/sec
[SUM] 30.0-35.0 sec 270 MBytes 453 Mbits/sec
[SUM] 35.0-40.0 sec 229 MBytes 385 Mbits/sec
[SUM] 40.0-45.0 sec 270 MBytes 453 Mbits/sec
[SUM] 45.0-50.0 sec 282 MBytes 474 Mbits/sec
[SUM] 50.0-55.0 sec 256 MBytes 430 Mbits/sec
[SUM] 55.0-60.0 sec 266 MBytes 446 Mbits/sec
[SUM] 0.0-60.2 sec 2.88 GBytes 411 Mbits/sec
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 4MB -t 60 -i 5 -p 20000 -P 20 | g
rep -i SUM
[SUM] 0.0- 5.0 sec 374 MBytes 627 Mbits/sec
[SUM] 5.0-10.0 sec 285 MBytes 478 Mbits/sec
[SUM] 10.0-15.0 sec 281 MBytes 472 Mbits/sec
[SUM] 15.0-20.0 sec 199 MBytes 333 Mbits/sec
[SUM] 20.0-25.0 sec 271 MBytes 455 Mbits/sec
[SUM] 25.0-30.0 sec 281 MBytes 471 Mbits/sec
[SUM] 30.0-35.0 sec 288 MBytes 483 Mbits/sec
[SUM] 35.0-40.0 sec 265 MBytes 444 Mbits/sec
[SUM] 40.0-45.0 sec 260 MBytes 437 Mbits/sec
[SUM] 45.0-50.0 sec 286 MBytes 479 Mbits/sec
[SUM] 50.0-55.0 sec 280 MBytes 470 Mbits/sec
[SUM] 55.0-60.0 sec 275 MBytes 462 Mbits/sec
[SUM] 0.0-63.3 sec 3.27 GBytes 444 Mbits/sec
After we tuned the NetworkPerformanceUTA network.
------------------------------------------------------------
[root@dct00 ~]# iperf -s -w 8MB -i 4
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 16.0 MByte (WARNING: requested 8.00 MByte)
------------------------------------------------------------
[ 4] local 192.12.15.8 port 5001 connected with 129.107.255.4 port 36989
[ 4] 0.0- 4.0 sec 11.4 MBytes 23.8 Mbits/sec
[ 4] 4.0- 8.0 sec 11.5 MBytes 24.1 Mbits/sec
[ 4] 8.0-12.0 sec 12.8 MBytes 26.8 Mbits/sec
[ 4] 12.0-16.0 sec 14.3 MBytes 30.0 Mbits/sec
[ 4] 16.0-20.0 sec 15.7 MBytes 33.0 Mbits/sec
[ 4] 20.0-24.0 sec 17.1 MBytes 35.9 Mbits/sec
[ 4] 24.0-28.0 sec 18.7 MBytes 39.1 Mbits/sec
[ 4] 28.0-32.0 sec 20.2 MBytes 42.3 Mbits/sec
[ 4] 32.0-36.0 sec 21.6 MBytes 45.3 Mbits/sec
[ 4] 36.0-40.0 sec 23.0 MBytes 48.3 Mbits/sec
[ 4] 40.0-44.0 sec 24.5 MBytes 51.3 Mbits/sec
[ 4] 44.0-48.0 sec 25.8 MBytes 54.1 Mbits/sec
[ 4] 48.0-52.0 sec 27.2 MBytes 57.1 Mbits/sec
[ 4] 52.0-56.0 sec 28.7 MBytes 60.3 Mbits/sec
[ 4] 56.0-60.0 sec 30.0 MBytes 62.9 Mbits/sec
[ 4] 0.0-60.5 sec 306 MBytes 42.5 Mbits/sec
Send Data from BNL to NetworkPerformanceUTA:
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 4MB -t 60 -i 5 -p 20000
------------------------------------------------------------
Client connecting to gk03.swt2.uta.edu, TCP port 20000
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[ 3] local 192.12.15.8 port 41993 connected with 129.107.255.4 port 20000
[ 3] 0.0- 5.0 sec 50.9 MBytes 85.4 Mbits/sec
[ 3] 5.0-10.0 sec 48.5 MBytes 81.4 Mbits/sec
[ 3] 10.0-15.0 sec 92.0 MBytes 154 Mbits/sec
[ 3] 15.0-20.0 sec 102 MBytes 171 Mbits/sec
[ 3] 20.0-25.0 sec 111 MBytes 186 Mbits/sec
[ 3] 25.0-30.0 sec 152 MBytes 256 Mbits/sec
[ 3] 30.0-35.0 sec 116 MBytes 195 Mbits/sec
[ 3] 35.0-40.0 sec 121 MBytes 204 Mbits/sec
[ 3] 40.0-45.0 sec 119 MBytes 200 Mbits/sec
[ 3] 45.0-50.0 sec 85.0 MBytes 143 Mbits/sec
[ 3] 50.0-55.0 sec 55.7 MBytes 93.4 Mbits/sec
[ 3] 55.0-60.0 sec 78.1 MBytes 131 Mbits/sec
[ 3] 0.0-60.1 sec 1.11 GBytes 158 Mbits/sec
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 8MB -t 60 -i 5 -p 20000
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 8MB -t 60 -i 5 -p 20000
------------------------------------------------------------
Client connecting to gk03.swt2.uta.edu, TCP port 20000
TCP window size: 16.0 MByte (WARNING: requested 8.00 MByte)
------------------------------------------------------------
[ 3] local 192.12.15.8 port 41994 connected with 129.107.255.4 port 20000
[ 3] 0.0- 5.0 sec 64.3 MBytes 108 Mbits/sec
[ 3] 5.0-10.0 sec 92.4 MBytes 155 Mbits/sec
[ 3] 10.0-15.0 sec 114 MBytes 192 Mbits/sec
[ 3] 15.0-20.0 sec 123 MBytes 207 Mbits/sec
[ 3] 20.0-25.0 sec 38.0 MBytes 63.8 Mbits/sec
[ 3] 25.0-30.0 sec 45.4 MBytes 76.2 Mbits/sec
[ 3] 30.0-35.0 sec 63.4 MBytes 106 Mbits/sec
[ 3] 35.0-40.0 sec 74.0 MBytes 124 Mbits/sec
[ 3] 40.0-45.0 sec 78.0 MBytes 131 Mbits/sec
[ 3] 45.0-50.0 sec 74.1 MBytes 124 Mbits/sec
[ 3] 50.0-55.0 sec 77.9 MBytes 131 Mbits/sec
[ 3] 55.0-60.0 sec 87.3 MBytes 146 Mbits/sec
[ 3] 0.0-60.1 sec 933 MBytes 130 Mbits/sec
We use multiple streams:
[root@dct00 ~]# iperf -c gk03.swt2.uta.edu -w 4MB -t 60 -i 5 -p 20000 -P 20 | grep -i SUM
[SUM] 0.0- 5.0 sec 380 MBytes 637 Mbits/sec
[SUM] 5.0-10.0 sec 286 MBytes 480 Mbits/sec
[SUM] 10.0-15.0 sec 229 MBytes 384 Mbits/sec
[SUM] 15.0-20.0 sec 275 MBytes 461 Mbits/sec
[SUM] 20.0-25.0 sec 280 MBytes 470 Mbits/sec
[SUM] 25.0-30.0 sec 279 MBytes 468 Mbits/sec
[SUM] 30.0-35.0 sec 285 MBytes 478 Mbits/sec
[SUM] 35.0-40.0 sec 289 MBytes 485 Mbits/sec
[SUM] 40.0-45.0 sec 238 MBytes 400 Mbits/sec
[SUM] 45.0-50.0 sec 282 MBytes 473 Mbits/sec
[SUM] 50.0-55.0 sec 271 MBytes 455 Mbits/sec
[SUM] 0.0-61.6 sec 3.30 GBytes 460 Mbits/sec
-- Main.DantongYu - 04 Oct 2007Please note that this site is a content mirror of the BNL US ATLAS TWiki. To [[https://www.usatlas.bnl.gov/twiki/bin/edit/Admins/BNL-UTA_SWT2][edit the content of this page]], click the Edit this page button at the top of the page and log in with your US ATLAS computing account name and password.