r4 - 30 Oct 2007 - 15:37:47 - DantongYuYou are here: TWiki >  Admins Web > BU_Tier2

NETier2_BU

Tuning on October 30 2007

Tracepath to BNL:

[root@atlas-g01 ~]$ tracepath dct00.usatlas.bnl.gov
 1:  atlas-g01.bu.edu (192.5.207.95)                        0.114ms pmtu 1500
 1:  atlas-net-gw.BU.EDU (192.5.207.1)                      1.422ms
 2:  nox300gw1-Vl-597-NoX-BU.nox.org (192.5.89.141)         0.539ms
 3:  nox300gw1-PEER-NoX-INTERNET2-192-5-89-222.nox.org (192.5.89.222) asymm  4 246.390ms
 4:  aoa-manlan-abilene.es.net (198.124.216.157)          asymm  5 5.225ms
 5:  bnlmr1-aoacr1.es.net (134.55.217.57)                   8.023ms
 6:  bnlsite-bnlmr1.es.net (198.124.216.178)                7.585ms
 7:  dct00.usatlas.bnl.gov (192.12.15.8)                    7.589ms reached
     Resume: pmtu 1500 hops 7 back 7
[root@atlas-g01 ~]$ 


[root@atlas-g01 ~]$ ifconfig eth1
eth1      Link encap:Ethernet  HWaddr 00:1A:64:03:0E:44
          inet addr:192.5.207.95  Bcast:192.5.207.255  Mask:255.255.255.0
          inet6 addr: fe80::21a:64ff:fe03:e44/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10262 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5728 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1032233 (1008.0 KiB)  TX bytes:635089 (620.2 KiB)
          Interrupt:185 Memory:e4000000-e4011100 


--------------------------------------------------------------------------------

[root@atlas-g01 ~]$ ethtool eth1
Settings for eth1:
        Supported ports: [ FIBRE ]
        Supported link modes:   1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  1000baseT/Full
        Advertised auto-negotiation: Yes
        Speed: 1000Mb/s
        Duplex: Full
        Port: FIBRE
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: d
        Wake-on: d
        Link detected: yes
-----------------------------------------------------------------------------------

[root@atlas-g01 ~]$ iperf -c dct00.usatlas.bnl.gov -w4M -i2 -t60
------------------------------------------------------------
Client connecting to dct00.usatlas.bnl.gov, TCP port 5001
TCP window size:   264 KByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.5.207.95 port 32995 connected with 192.12.15.8 port 5001
[  3]  0.0- 2.0 sec  31.8 MBytes    133 Mbits/sec
[  3]  2.0- 4.0 sec  25.6 MBytes    108 Mbits/sec
[  3]  4.0- 6.0 sec  18.6 MBytes  78.2 Mbits/sec
[  3]  6.0- 8.0 sec  24.7 MBytes    104 Mbits/sec
[  3]  8.0-10.0 sec  14.7 MBytes  61.5 Mbits/sec
[  3] 10.0-12.0 sec  21.4 MBytes  89.7 Mbits/sec
[  3] 12.0-14.0 sec  30.4 MBytes    127 Mbits/sec
[  3] 14.0-16.0 sec  26.3 MBytes    110 Mbits/sec
[  3] 16.0-18.0 sec  32.4 MBytes    136 Mbits/sec
[  3] 18.0-20.0 sec  27.9 MBytes    117 Mbits/sec
[  3] 20.0-22.0 sec  25.9 MBytes    109 Mbits/sec
[  3] 22.0-24.0 sec  22.0 MBytes  92.1 Mbits/sec
[  3] 24.0-26.0 sec  20.1 MBytes  84.2 Mbits/sec
[  3] 26.0-28.0 sec  13.9 MBytes  58.4 Mbits/sec
[  3] 28.0-30.0 sec  22.2 MBytes  93.2 Mbits/sec
[  3] 30.0-32.0 sec  30.6 MBytes    128 Mbits/sec
[  3] 32.0-34.0 sec  25.7 MBytes    108 Mbits/sec
[  3] 34.0-36.0 sec  30.2 MBytes    127 Mbits/sec
[  3] 36.0-38.0 sec  29.3 MBytes    123 Mbits/sec
[  3] 38.0-40.0 sec  23.6 MBytes  98.8 Mbits/sec
[  3] 40.0-42.0 sec  25.7 MBytes    108 Mbits/sec
[  3] 42.0-44.0 sec  25.5 MBytes    107 Mbits/sec
[  3] 44.0-46.0 sec  26.5 MBytes    111 Mbits/sec
[  3] 46.0-48.0 sec  31.5 MBytes    132 Mbits/sec
[  3] 48.0-50.0 sec  25.1 MBytes    105 Mbits/sec
[  3] 50.0-52.0 sec  20.4 MBytes  85.6 Mbits/sec
[  3] 52.0-54.0 sec  21.1 MBytes  88.5 Mbits/sec
[  3] 54.0-56.0 sec  22.9 MBytes  96.0 Mbits/sec
[  3] 56.0-58.0 sec  26.2 MBytes    110 Mbits/sec
[  3] 58.0-60.0 sec  30.3 MBytes    127 Mbits/sec
[  3]  0.0-60.0 sec    753 MBytes    105 Mbits/sec
[root@atlas-g01 ~]$
---------------------------------------------------------------------------------------

[augustin@atlas ~]$ iperf -c dct00.usatlas.bnl.gov -w4M -i2 -t60
------------------------------------------------------------
Client connecting to dct00.usatlas.bnl.gov, TCP port 5001
TCP window size:   256 KByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.5.207.10 port 47685 connected with 192.12.15.8 port 5001
[  3]  0.0- 2.0 sec  15.7 MBytes  66.0 Mbits/sec
[  3]  2.0- 4.0 sec  9.96 MBytes  41.8 Mbits/sec
[  3]  4.0- 6.0 sec  16.5 MBytes  69.2 Mbits/sec
[  3]  6.0- 8.0 sec  16.9 MBytes  71.0 Mbits/sec
[  3]  8.0-10.0 sec  14.9 MBytes  62.6 Mbits/sec
[  3] 10.0-12.0 sec  15.2 MBytes  63.9 Mbits/sec
[  3] 12.0-14.0 sec  13.0 MBytes  54.5 Mbits/sec
[  3] 14.0-16.0 sec  8.79 MBytes  36.9 Mbits/sec
[  3] 16.0-18.0 sec  16.0 MBytes  67.2 Mbits/sec
[  3] 18.0-20.0 sec  16.7 MBytes  70.1 Mbits/sec
[  3] 20.0-22.0 sec  19.8 MBytes  83.2 Mbits/sec
[  3] 22.0-24.0 sec  27.4 MBytes    115 Mbits/sec
[  3] 24.0-26.0 sec  22.3 MBytes  93.4 Mbits/sec
[  3] 26.0-28.0 sec  11.4 MBytes  47.9 Mbits/sec
[  3] 28.0-30.0 sec  20.0 MBytes  84.0 Mbits/sec
[  3] 30.0-32.0 sec  18.5 MBytes  77.8 Mbits/sec
[  3] 32.0-34.0 sec  25.6 MBytes    107 Mbits/sec
[  3] 34.0-36.0 sec  15.2 MBytes  63.6 Mbits/sec
[  3] 36.0-38.0 sec  19.1 MBytes  80.3 Mbits/sec
[  3] 38.0-40.0 sec  18.4 MBytes  77.2 Mbits/sec
[  3] 40.0-42.0 sec  15.9 MBytes  66.9 Mbits/sec
[  3] 42.0-44.0 sec  17.1 MBytes  71.6 Mbits/sec
[  3] 44.0-46.0 sec  13.5 MBytes  56.6 Mbits/sec
[  3] 46.0-48.0 sec  16.7 MBytes  70.0 Mbits/sec
[  3] 48.0-50.0 sec  13.8 MBytes  58.0 Mbits/sec
[  3] 50.0-52.0 sec  14.2 MBytes  59.5 Mbits/sec
[  3] 52.0-54.0 sec  11.9 MBytes  49.7 Mbits/sec
[  3] 54.0-56.0 sec  17.3 MBytes  72.6 Mbits/sec
[  3] 56.0-58.0 sec  14.9 MBytes  62.5 Mbits/sec
[  3] 58.0-60.0 sec  16.6 MBytes  69.7 Mbits/sec
[  3]  0.0-60.0 sec    494 MBytes  69.0 Mbits/sec
--------------------------------------------------------------------------------------

[root@atlas-g01 ~]$ diff /tmp/after /tmp/before
2c2
<      rx_bytes: 20375837
---
>      rx_bytes: 12772155
4c4
<      tx_bytes: 1347969676
---
>      tx_bytes: 828216195
6,9c6,9
<      rx_ucast_packets: 274023
<      rx_mcast_packets: 170
<      rx_bcast_packets: 7275
<      tx_ucast_packets: 895239
---
>      rx_ucast_packets: 167232
>      rx_mcast_packets: 169
>      rx_bcast_packets: 7218
>      tx_ucast_packets: 552514
26,27c26,27
<      rx_64_byte_packets: 7132
<      rx_65_to_127_byte_packets: 273475
---
>      rx_64_byte_packets: 7074
>      rx_65_to_127_byte_packets: 166685
29c29
<      rx_256_to_511_byte_packets: 217
---
>      rx_256_to_511_byte_packets: 216
34,38c34,38
<      tx_65_to_127_byte_packets: 4573
<      tx_128_to_255_byte_packets: 1469
<      tx_256_to_511_byte_packets: 1065
<      tx_512_to_1023_byte_packets: 863
<      tx_1024_to_1522_byte_packets: 886998
---
>      tx_65_to_127_byte_packets: 4526
>      tx_128_to_255_byte_packets: 1415
>      tx_256_to_511_byte_packets: 893
>      tx_512_to_1023_byte_packets: 692
>      tx_1024_to_1522_byte_packets: 544717
45c45
<      rx_filtered_packets: 415
---
>      rx_filtered_packets: 412
[root@atlas-g01 ~]$
-------------------------------------------------------------------------------------
[root@atlas-g01 ~]$ sysctl -a |grep tcp
net.ipv4.tcp_rmem = 4096        87380   174760
net.ipv4.tcp_wmem = 4096        16384   131072
net.ipv4.tcp_mem = 786432       1048576 1572864
[root@atlas-g01 ~]$ 

root@atlas-g01 ~]$ sysctl -a | grep mem net.ipv4.tcp_rmem = 4096 87380 20000000 net.ipv4.tcp_wmem = 4096 87380 20000000 net.ipv4.tcp_mem = 786432 1048576 1572864 net.ipv4.igmp_max_memberships = 20 net.core.optmem_max = 20480 net.core.rmem_default = 135168 net.core.wmem_default = 135168 net.core.rmem_max = 20000000 net.core.wmem_max = 20000000 vm.overcommit_memory = 0

[root@atlas-g01 ~]$ iperf -c dct00.usatlas.bnl.gov -w4M -i2 -t60
------------------------------------------------------------
Client connecting to dct00.usatlas.bnl.gov, TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.5.207.95 port 33071 connected with 192.12.15.8 port 5001
[  3]  0.0- 2.0 sec  13.2 MBytes  55.2 Mbits/sec
[  3]  2.0- 4.0 sec  5.65 MBytes  23.7 Mbits/sec
[  3]  4.0- 6.0 sec  3.75 MBytes  15.7 Mbits/sec
[  3]  6.0- 8.0 sec  7.52 MBytes  31.6 Mbits/sec
[  3]  8.0-10.0 sec  5.66 MBytes  23.7 Mbits/sec
[  3] 10.0-12.0 sec  7.55 MBytes  31.7 Mbits/sec
[  3] 12.0-14.0 sec  7.55 MBytes  31.7 Mbits/sec
[  3] 14.0-16.0 sec  7.60 MBytes  31.9 Mbits/sec
[  3] 16.0-18.0 sec  7.54 MBytes  31.6 Mbits/sec
[  3] 18.0-20.0 sec  7.53 MBytes  31.6 Mbits/sec
[  3] 20.0-22.0 sec  5.66 MBytes  23.7 Mbits/sec
[  3] 22.0-24.0 sec  9.52 MBytes  39.9 Mbits/sec
[  3] 24.0-26.0 sec  5.67 MBytes  23.8 Mbits/sec
[  3] 26.0-28.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 28.0-30.0 sec  5.65 MBytes  23.7 Mbits/sec
[  3] 30.0-32.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 32.0-34.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 34.0-36.0 sec  7.59 MBytes  31.8 Mbits/sec
[  3] 36.0-38.0 sec  5.66 MBytes  23.8 Mbits/sec
[  3] 38.0-40.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 40.0-42.0 sec  5.66 MBytes  23.7 Mbits/sec
[  3] 42.0-44.0 sec  5.65 MBytes  23.7 Mbits/sec
[  3] 44.0-46.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 46.0-48.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 48.0-50.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 50.0-52.0 sec  7.51 MBytes  31.5 Mbits/sec
[  3] 52.0-54.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 54.0-56.0 sec  5.64 MBytes  23.7 Mbits/sec
[  3] 56.0-58.0 sec  11.4 MBytes  47.7 Mbits/sec
[  3] 58.0-60.0 sec  9.41 MBytes  39.5 Mbits/sec
[  3]  0.0-60.2 sec    204 MBytes  28.4 Mbits/sec


[root@atlas-g01 ~]$ iperf -s -i5 -w4M
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  4] local 192.5.207.95 port 5001 connected with 192.12.15.8 port 57665
[  4]  0.0- 5.0 sec    555 MBytes    932 Mbits/sec
[  4]  5.0-10.0 sec    561 MBytes    941 Mbits/sec
[  4] 10.0-15.0 sec    561 MBytes    941 Mbits/sec
[  4] 15.0-20.0 sec    561 MBytes    941 Mbits/sec
[  4] 20.0-25.0 sec    561 MBytes    941 Mbits/sec
[  4] 25.0-30.0 sec    516 MBytes    866 Mbits/sec
[  4] 30.0-35.0 sec    561 MBytes    941 Mbits/sec
[  4] 35.0-40.0 sec    561 MBytes    941 Mbits/sec
[  4] 40.0-45.0 sec    561 MBytes    941 Mbits/sec
[  4] 45.0-50.0 sec    561 MBytes    941 Mbits/sec
[  4] 50.0-55.0 sec    520 MBytes    873 Mbits/sec
[  4] 55.0-60.0 sec    561 MBytes    941 Mbits/sec
[  4]  0.0-60.0 sec  6.49 GBytes    929 Mbits/sec

[root@atlas-g01 ~]$ iperf -c dct00.usatlas.bnl.gov -w4M -i5 -t60 -b 950M -u
WARNING: option -b implies udp testing
------------------------------------------------------------
Client connecting to dct00.usatlas.bnl.gov, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.5.207.95 port 32775 connected with 192.12.15.8 port 5001
[  3]  0.0- 5.0 sec    584 MBytes    979 Mbits/sec
[  3]  5.0-10.0 sec    584 MBytes    979 Mbits/sec
[  3] 10.0-15.0 sec    584 MBytes    979 Mbits/sec
[  3] 15.0-20.0 sec    584 MBytes    979 Mbits/sec
[  3] 20.0-25.0 sec    584 MBytes    980 Mbits/sec
[  3] 25.0-30.0 sec    584 MBytes    980 Mbits/sec
[  3] 30.0-35.0 sec    584 MBytes    979 Mbits/sec
[  3] 35.0-40.0 sec    584 MBytes    979 Mbits/sec
[  3] 40.0-45.0 sec    584 MBytes    980 Mbits/sec
[  3] 45.0-50.0 sec    584 MBytes    980 Mbits/sec
[  3] 50.0-55.0 sec    584 MBytes    979 Mbits/sec
[  3] 55.0-60.0 sec    584 MBytes    979 Mbits/sec
[  3]  0.0-60.0 sec  6.84 GBytes    979 Mbits/sec
[  3] Sent 4996905 datagrams
[  3] Server Report:
[  3]  0.0-60.0 sec  6.65 GBytes    952 Mbits/sec  0.018 ms 139219/4996904 (2.8%)
[  3]  0.0-60.0 sec  2 datagrams received out-of-order

[root@atlas-g01 ~]$ iperf -c dct00.usatlas.bnl.gov -w4M -i5 -t60 -b 500M -u
WARNING: option -b implies udp testing
------------------------------------------------------------
Client connecting to dct00.usatlas.bnl.gov, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.5.207.95 port 32776 connected with 192.12.15.8 port 5001
[  3]  0.0- 5.0 sec    305 MBytes    511 Mbits/sec
[  3]  5.0-10.0 sec    305 MBytes    511 Mbits/sec
[  3] 10.0-15.0 sec    305 MBytes    511 Mbits/sec
[  3] 15.0-20.0 sec    305 MBytes    511 Mbits/sec
[  3] 20.0-25.0 sec    305 MBytes    511 Mbits/sec
[  3] 25.0-30.0 sec    305 MBytes    511 Mbits/sec
[  3] 30.0-35.0 sec    305 MBytes    511 Mbits/sec
[  3] 35.0-40.0 sec    305 MBytes    511 Mbits/sec
[  3] 40.0-45.0 sec    305 MBytes    511 Mbits/sec
[  3] 45.0-50.0 sec    305 MBytes    511 Mbits/sec
[  3] 50.0-55.0 sec    305 MBytes    511 Mbits/sec
[  3] 55.0-60.0 sec    305 MBytes    511 Mbits/sec
[  3]  0.0-60.0 sec  3.57 GBytes    511 Mbits/sec
[  3] Sent 2608696 datagrams
[  3] Server Report:
[  3]  0.0-60.0 sec  3.55 GBytes    508 Mbits/sec  0.031 ms 16036/2608695 (0.61%)
[  3]  0.0-60.0 sec  2 datagrams received out-of-order


[root@atlas-g01 ~]$ iperf -s -i5 -w4M -u
------------------------------------------------------------
Server listening on UDP port 5001
Receiving 1470 byte datagrams
UDP buffer size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.5.207.95 port 5001 connected with 192.12.15.8 port 41169
[  3]  0.0- 5.0 sec    305 MBytes    511 Mbits/sec  0.003 ms    0/217397 (0%)
[  3]  5.0-10.0 sec    305 MBytes    511 Mbits/sec  0.010 ms    0/217391 (0%)
[  3] 10.0-15.0 sec    305 MBytes    511 Mbits/sec  0.003 ms    0/217391 (0%)
[  3] 15.0-20.0 sec    305 MBytes    511 Mbits/sec  0.010 ms    0/217391 (0%)
[  3] 20.0-25.0 sec    305 MBytes    511 Mbits/sec  0.004 ms    0/217391 (0%)
[  3] 25.0-30.0 sec    305 MBytes    511 Mbits/sec  0.009 ms    0/217391 (0%)
[  3] 30.0-35.0 sec    305 MBytes    511 Mbits/sec  0.010 ms    0/217392 (0%)
[  3] 35.0-40.0 sec    305 MBytes    511 Mbits/sec  0.007 ms    0/217391 (0%)
[  3] 40.0-45.0 sec    305 MBytes    511 Mbits/sec  0.008 ms    0/217391 (0%)
[  3] 45.0-50.0 sec    305 MBytes    511 Mbits/sec  0.007 ms    0/217391 (0%)
[  3] 50.0-55.0 sec    305 MBytes    511 Mbits/sec  0.011 ms    0/217391 (0%)
[  3]  0.0-60.0 sec  3.57 GBytes    511 Mbits/sec  0.010 ms    0/2608695 (0%)
[  3]  0.0-60.0 sec  1 datagrams received out-of-order
[  4] local 192.5.207.95 port 5001 connected with 192.12.15.8 port 41169
[  4]  0.0- 5.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    0/406886 (0%)
[  4]  5.0-10.0 sec    570 MBytes    957 Mbits/sec  0.032 ms    0/406899 (0%)



[  4] 10.0-15.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    0/406892 (0%)
[  4] 15.0-20.0 sec    570 MBytes    957 Mbits/sec  0.010 ms    0/406900 (0%)
[  4] 20.0-25.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    0/406894 (0%)
[  4] 25.0-30.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    0/406899 (0%)
[  4] 30.0-35.0 sec    570 MBytes    957 Mbits/sec  0.016 ms    2/406899 (0.00049%)
[  4] 30.0-35.0 sec  2 datagrams received out-of-order
[  4] 35.0-40.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    0/406897 (0%)
[  4] 40.0-45.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    0/406895 (0%)
[  4] 45.0-50.0 sec    570 MBytes    957 Mbits/sec  0.016 ms    0/406897 (0%)
[  4] 50.0-55.0 sec    570 MBytes    957 Mbits/sec  0.015 ms   10/406905 (0.0025%)
[  4] 55.0-60.0 sec    570 MBytes    957 Mbits/sec  0.015 ms    5/406903 (0.0012%)
[  4]  0.0-60.0 sec  6.69 GBytes    957 Mbits/sec  0.035 ms   14/4882983 (0.00029%)
[  4]  0.0-60.0 sec  3 datagrams received out-of-order


-- DantongYu - 30 Oct 2007

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