iperf tests with default window size to stargrid03.rhic.bnl.gov,
stargrid04.rhic.bnl.gov from pc1532.nersc.gov. Single thread.
Summary:
stargrid03: ~840 kB/s, very steady
stargrid04: 5.1 MB/s net
pc1632 had txqueuelen = 1000:
pc1632 26% /sbin/ifconfig eth0
eth0 Link encap:Ethernet HWaddr
00:E0:81:2B:DA:5A
inet
addr:128.55.37.112 Bcast:128.55.39.255 Mask:255.255.252.0
UP BROADCAST
RUNNING MULTICAST MTU:9000 Metric:1
RX
packets:33036149 errors:0 dropped:0 overruns:0 frame:0
TX
packets:21638620 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
txqueuelen:1000
RX
bytes:23834017215 (22729.8 Mb) TX bytes:24118264224 (23000.9 Mb)
Interrupt:24
pc1632 51% iperf -c stargrid03.rcf.bnl.gov -t 1000 -i 10 -p 21000 -P 1
------------------------------------------------------------
Client connecting to stargrid03.rcf.bnl.gov, TCP port 21000
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[ 5] local 128.55.37.112 port 35030 connected with 130.199.6.56
port 21000
[ 5] 0.0-10.0 sec 5.30 MBytes 4.45 Mbits/sec
[ 5] 10.0-20.0 sec 8.43 MBytes 7.07 Mbits/sec
[ 5] 20.0-30.0 sec 8.44 MBytes 7.08 Mbits/sec
[ 5] 30.0-40.0 sec 8.43 MBytes 7.07 Mbits/sec
[ 5] 40.0-50.0 sec 8.43 MBytes 7.07 Mbits/sec
[ 5] 50.0-60.0 sec 8.43 MBytes 7.07 Mbits/sec
[ 5] 60.0-70.0 sec 8.42 MBytes 7.06 Mbits/sec
[ 5] 70.0-80.0 sec 8.44 MBytes 7.08 Mbits/sec
[ 5] 80.0-90.0 sec 8.47 MBytes 7.10 Mbits/sec
[ 5] 90.0-100.0 sec 8.45 MBytes 7.09 Mbits/sec
[ 5] 100.0-110.0 sec 8.48 MBytes 7.11 Mbits/sec
[ 5] 110.0-120.0 sec 8.45 MBytes 7.09 Mbits/sec
[ 5] 120.0-130.0 sec 8.43 MBytes 7.07 Mbits/sec
[ 5] 130.0-140.0 sec 8.48 MBytes 7.11 Mbits/sec
[ 5] 140.0-150.0 sec 8.47 MBytes 7.10 Mbits/sec
[ 5] 150.0-160.0 sec 8.42 MBytes 7.06 Mbits/sec
[ 5] 160.0-170.0 sec 8.44 MBytes 7.08 Mbits/sec
[ 5] 170.0-180.0 sec 8.49 MBytes 7.12 Mbits/sec
[ 5] 180.0-190.0 sec 6.69 MBytes 5.61 Mbits/sec
[ 5] 190.0-200.0 sec 8.41 MBytes 7.06 Mbits/sec
[ 5] 200.0-210.0 sec 8.43 MBytes 7.07 Mbits/sec
...truncated....
pc1632 47% iperf -c stargrid04.rhic.bnl.gov -t 1000 -i 10 -p 21000 -P 1
------------------------------------------------------------
Client connecting to stargrid04.rhic.bnl.gov, TCP port 21000
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[ 5] local 128.55.37.112 port 35026 connected with 130.199.80.179
port 21000
[ 5] 0.0-10.0 sec 11.9 MBytes 10.0 Mbits/sec
[ 5] 10.0-20.0 sec 23.5 MBytes 19.7 Mbits/sec
[ 5] 20.0-30.0 sec 23.1 MBytes 19.4 Mbits/sec
[ 5] 30.0-40.0 sec 33.8 MBytes 28.4 Mbits/sec
[ 5] 40.0-50.0 sec 47.1 MBytes 39.5 Mbits/sec
[ 5] 50.0-60.0 sec 60.9 MBytes 51.1 Mbits/sec
[ 5] 60.0-70.0 sec 74.2 MBytes 62.2 Mbits/sec
[ 5] 70.0-80.0 sec 88.4 MBytes 74.2 Mbits/sec
[ 5] 80.0-90.0 sec 101 MBytes 85.0
Mbits/sec
[ 5] 90.0-100.0 sec 106 MBytes 88.6
Mbits/sec
[ 5] 100.0-110.0 sec 68.8 MBytes 57.7 Mbits/sec
[ 5] 110.0-120.0 sec 82.9 MBytes 69.6 Mbits/sec
[ 5] 120.0-130.0 sec 96.0 MBytes 80.5 Mbits/sec
[ 5] 130.0-140.0 sec 110 MBytes 91.9
Mbits/sec
[ 5] 140.0-150.0 sec 123
MBytes 103 Mbits/sec
[ 5] 150.0-160.0 sec 136
MBytes 114 Mbits/sec
[ 5] 160.0-170.0 sec 69.6 MBytes 58.3 Mbits/sec
[ 5] 170.0-180.0 sec 51.1 MBytes 42.9 Mbits/sec
[ 5] 180.0-190.0 sec 64.4 MBytes 54.0 Mbits/sec
[ 5] 190.0-200.0 sec 44.1 MBytes 37.0 Mbits/sec
[ 5] 200.0-210.0 sec 55.7 MBytes 46.7 Mbits/sec
[ 5] 210.0-220.0 sec 69.0 MBytes 57.9 Mbits/sec
[ 5] 220.0-230.0 sec 56.6 MBytes 47.5 Mbits/sec
[ 5] 230.0-240.0 sec 27.6 MBytes 23.1 Mbits/sec
[ 5] 240.0-250.0 sec 36.9 MBytes 31.0 Mbits/sec
[ 5] 250.0-260.0 sec 20.5 MBytes 17.2 Mbits/sec
[ 5] 260.0-270.0 sec 33.7 MBytes 28.3 Mbits/sec
[ 5] 270.0-280.0 sec 47.0 MBytes 39.5 Mbits/sec
[ 5] 280.0-290.0 sec 61.1 MBytes 51.3 Mbits/sec
[ 5] 290.0-300.0 sec 74.3 MBytes 62.3 Mbits/sec
[ 5] 300.0-310.0 sec 76.9 MBytes 64.5 Mbits/sec
[ 5] 310.0-320.0 sec 56.1 MBytes 47.1 Mbits/sec
[ 5] 320.0-330.0 sec 69.2 MBytes 58.1 Mbits/sec
[ 5] 330.0-340.0 sec 57.9 MBytes 48.6 Mbits/sec
[ 5] 340.0-350.0 sec 55.5 MBytes 46.5 Mbits/sec
[ 5] 350.0-360.0 sec 69.1 MBytes 58.0 Mbits/sec
[ 5] 360.0-370.0 sec 59.4 MBytes 49.8 Mbits/sec
[ 5] 370.0-380.0 sec 55.2 MBytes 46.3 Mbits/sec
[ 5] 380.0-390.0 sec 45.8 MBytes 38.4 Mbits/sec
[ 5] 390.0-400.0 sec 49.2 MBytes 41.3 Mbits/sec
[ 5] 400.0-410.0 sec 63.4 MBytes 53.2 Mbits/sec
[ 5] 410.0-420.0 sec 76.2 MBytes 63.9 Mbits/sec
[ 5] 420.0-430.0 sec 30.0 MBytes 25.1 Mbits/sec
[ 5] 430.0-440.0 sec 21.8 MBytes 18.3 Mbits/sec
[ 5] 440.0-450.0 sec 35.6 MBytes 29.9 Mbits/sec
[ 5] 450.0-460.0 sec 49.2 MBytes 41.3 Mbits/sec
[ 5] 460.0-470.0 sec 62.7 MBytes 52.6 Mbits/sec
[ 5] 470.0-480.0 sec 76.4 MBytes 64.1 Mbits/sec
[ 5] 480.0-490.0 sec 89.5 MBytes 75.1 Mbits/sec
[ 5] 490.0-500.0 sec 50.6 MBytes 42.4 Mbits/sec
[ 5] 500.0-510.0 sec 18.4 MBytes 15.5 Mbits/sec
[ 5] 510.0-520.0 sec 26.7 MBytes 22.4 Mbits/sec
[ 5] 520.0-530.0 sec 19.4 MBytes 16.3 Mbits/sec
[ 5] 530.0-540.0 sec 34.7 MBytes 29.1 Mbits/sec
[ 5] 540.0-550.0 sec 47.8 MBytes 40.1 Mbits/sec
[ 5] 550.0-560.0 sec 21.9 MBytes 18.3 Mbits/sec
[ 5] 560.0-570.0 sec 19.0 MBytes 15.9 Mbits/sec
[ 5] 570.0-580.0 sec 32.7 MBytes 27.4 Mbits/sec
[ 5] 580.0-590.0 sec 38.0 MBytes 31.9 Mbits/sec
[ 5] 590.0-600.0 sec 28.6 MBytes 24.0 Mbits/sec
[ 5] 600.0-610.0 sec 27.8 MBytes 23.3 Mbits/sec
[ 5] 610.0-620.0 sec 41.7 MBytes 35.0 Mbits/sec
[ 5] 620.0-630.0 sec 54.4 MBytes 45.6 Mbits/sec
[ 5] 630.0-640.0 sec 68.4 MBytes 57.3 Mbits/sec
[ 5] 640.0-650.0 sec 81.7 MBytes 68.5 Mbits/sec
[ 5] 650.0-660.0 sec 95.8 MBytes 80.3 Mbits/sec
[ 5] 660.0-670.0 sec 80.5 MBytes 67.5 Mbits/sec
[ 5] 670.0-680.0 sec 36.0 MBytes 30.2 Mbits/sec
[ 5] 680.0-690.0 sec 49.1 MBytes 41.2 Mbits/sec
[ 5] 690.0-700.0 sec 62.6 MBytes 52.5 Mbits/sec
[ 5] 700.0-710.0 sec 76.3 MBytes 64.0 Mbits/sec
[ 5] 710.0-720.0 sec 50.4 MBytes 42.3 Mbits/sec
[ 5] 720.0-730.0 sec 61.0 MBytes 51.1 Mbits/sec
[ 5] 730.0-740.0 sec 63.5 MBytes 53.3 Mbits/sec
[ 5] 740.0-750.0 sec 45.6 MBytes 38.3 Mbits/sec
[ 5] 750.0-760.0 sec 25.1 MBytes 21.0 Mbits/sec
[ 5] 760.0-770.0 sec 23.1 MBytes 19.4 Mbits/sec
[ 5] 770.0-780.0 sec 16.8 MBytes 14.1 Mbits/sec
[ 5] 780.0-790.0 sec 23.8 MBytes 19.9 Mbits/sec
[ 5] 790.0-800.0 sec 37.0 MBytes 31.0 Mbits/sec
[ 5] 800.0-810.0 sec 47.4 MBytes 39.7 Mbits/sec
[ 5] 810.0-820.0 sec 36.1 MBytes 30.3 Mbits/sec
[ 5] 820.0-830.0 sec 38.6 MBytes 32.4 Mbits/sec
[ 5] 830.0-840.0 sec 22.8 MBytes 19.1 Mbits/sec
[ 5] 840.0-850.0 sec 24.0 MBytes 20.1 Mbits/sec
[ 5] 850.0-860.0 sec 31.9 MBytes 26.8 Mbits/sec
[ 5] 860.0-870.0 sec 45.9 MBytes 38.5 Mbits/sec
[ 5] 870.0-880.0 sec 59.1 MBytes 49.6 Mbits/sec
[ 5] 880.0-890.0 sec 73.4 MBytes 61.6 Mbits/sec
[ 5] 890.0-900.0 sec 70.3 MBytes 59.0 Mbits/sec
[ 5] 900.0-910.0 sec 52.8 MBytes 44.3 Mbits/sec
[ 5] 910.0-920.0 sec 66.5 MBytes 55.8 Mbits/sec
[ 5] 920.0-930.0 sec 44.6 MBytes 37.4 Mbits/sec
[ 5] 930.0-940.0 sec 49.9 MBytes 41.8 Mbits/sec
[ 5] 940.0-950.0 sec 45.2 MBytes 37.9 Mbits/sec
[ 5] 950.0-960.0 sec 36.9 MBytes 31.0 Mbits/sec
[ 5] 960.0-970.0 sec 23.1 MBytes 19.4 Mbits/sec
[ 5] 970.0-980.0 sec 18.0 MBytes 15.1 Mbits/sec
[ 5] 980.0-990.0 sec 26.7 MBytes 22.4 Mbits/sec
[ 5] 990.0-1000.0 sec 40.6 MBytes 34.0 Mbits/sec