r225 - 07 Nov 2007 - 15:44:09 - HorstSeveriniYou are here: TWiki >  Admins Web > LoadTestsP2

LoadTestsP2

We have brought forward some of the content from the previous LoadTestsP1.

Site and host information

The following are the current sites, contact information, and host details:

    email host(s) NIC speed / driver MTU net.ipv4.tcp_wmem net.ipv4.tcp_rmem net.core.netdev_max_backlog
T1 BNL jpackard@bnl.gov
dtyu@bnl.gov
dct00.usatlas.bnl.gov
dcgftp.usatlas.bnl.gov
gridgk01.racf.bnl.gov (gk)
1 GE / e1000
1 GE / bnx2
1 GE / e1000
1500
1500
1500
4096 65536 16777216
4096 65536 2097152
786432 1048576 1572864
4096 87380 16777216
8192 131072 2097152
8192 131072 4194304
300
5000
10000
NE BU brunejo@bu.edu atlas.bu.edu (gk) 1 GE/82546EB 9000 65535 131071 65535 131071 300
GL UMich ball@umich.edu
wuwj@umich.edu
umfs02.grid.umich.edu
umfs05.aglt2.org
dq2.aglt2.org
gate01.aglt2.org (gk)
1GE/tg3
10GE/myri10ge
10GE/myri10ge
1GE/e1000
1500
9000
9000
1500
- 262141 200000000
- 129024 131071
- 262141 200000000
- 262141 200000000
- 262141 200000000
- 129024 131071
- 262141 200000000
- 262141 200000000
2500
2500
2500
10000
  MSU rockwell@pa.msu.edu            
MW IU cgw@hep.uchicago.edu
jurbanski@hep.uchicago.edu
iut2-dc3.iu.edu
iut2-grid6.iu.edu (gk)
10GE/cxgb
1GE/tg3
9000
1500
4096 87380 20000000
4096 87380 20000000
4096 87380 174760
4096 87380 174760
300
300
  UC cgw@hep.uchicago.edu
jurbanski@hep.uchicago.edu
uct2-dc1.uchicago.edu
uct2-grid6.uchicago.edu (gk)
10GE/cxgb
1GE/tg3
9000
1500
4096 87380 20000000
4096 87380 20000000
4096 87380 174760
4096 87380 174760
300
300
SW UTA mcguigan@uta.edu gk01.swt2.uta.edu
atlas.dpcc.uta.edu (gk)
1Gbs / e1000
100Mbs / e100
1500
1500
4096 65536 8388608
4096 65536 8388608
4096 131072 8388608
4096 262144 8388608
300
300
  OU hs@nhn.ou.edu tier2-02.ochep.ou.edu
ouhep00.nhn.ou.edu
tier2-01.ochep.ou.edu (gk)
1GE/e1000
1GE/e1000
1GE/e1000
1500
1500
1500
4096 87380 16793600
4096 87380 16793600
4096 87380 16793600
4096 87380 16793600
4096 87380 16793600
4096 87380 16793600
300
300
300
W SLAC yangw@slac.stanford.edu osgserv04.slac.stanford.edu
osgserv01.slac.stanford.edu (gk)
1GE/tg3
1GE/tg3
1500
1500
4096 16384 131072
4096 16384 131072
4096 87380 174760
4096 87380 174760
300
300
NOTE: Here's are the commands to determine the host network information:
  • NIC speed: "ethtool eth0" (or eth1, eth2, etc)
  • NIC driver: "ethtool -i eth1"
  • MTU: "ifconfig eth0" (or eth1, eth2, etc)
  • net.ipv4.tcp_wmem, net.ipv4.tcp_rmem, net.core.netdev_max_backlog: "sysctl -a | grep net"

Load tests

Oct 17

Loadtesting graph in MB/s (1 stream, 8MB window, max statistic chosen)

loadtest.png

Problematic machines:

  • dq2.aglt2.org (gridftp)
  • gk01.swt2.uta.edu (gridftp)
  • tier2-02.ochep.ou.edu (all)
  • tier2-03.ochep.ou.edu (all)

Oct 11

The following shows graphs of MB/s for different number of streams. Note that some of the services on chigaco and iu where having problems when the 1 and 2 stream graphs were generated.

  • 2 streams:
    2streams.png

  • 4 streams:
    4streams.png

  • 8 streams:
    8streams.png

  • 16 streams:
    16streams.png

Other links

About This Site

Please note that this site is a content mirror of the BNL US ATLAS TWiki. To 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.


Attachments


log gridftp_m2m.log (6.2K) | JayPackard, 30 Aug 2007 - 17:44 | gridftp_d2d log
png 2streams.png (69.3K) | JayPackard, 12 Oct 2007 - 12:54 | 2 streams
log gridftp_d2d.log (8.4K) | JayPackard, 30 Aug 2007 - 17:44 | gridftp_d2d log
png 16streams.png (71.8K) | JayPackard, 12 Oct 2007 - 12:53 | 16 streams
png 4streams.png (47.2K) | JayPackard, 12 Oct 2007 - 12:54 | 4 streams
png loadtest.png (90.9K) | JayPackard, 17 Oct 2007 - 13:39 |
png 8streams.png (72.7K) | JayPackard, 12 Oct 2007 - 12:54 | 8 streams
 
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