Changes between Version 14 and Version 15 of Tutorials/c0WiFi/Tutorial3


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Timestamp:
May 26, 2016, 2:13:11 PM (8 years ago)
Author:
jkol
Comment:

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  • Tutorials/c0WiFi/Tutorial3

    v14 v15  
    142142user@console:~$ omf tell -a on -t system:topo:imaged
    143143}}}
    144 
    145 To run this experiment with 2 clients nodes (assuming the domain has more than 2 compatible nodes):
     144Wait about 1 minute before proceeding to allow the nodes time to boot up.
     145
     146To run this experiment with 2 clients nodes (assuming the domain you are using has more than 2 compatible nodes):
    146147{{{
    147148user@console:~$ omf exec test:exp:tutorial:wifi-ap-iperf.rb -- --accesspoint node1-1 --client node1-2,node1-3 --duration 60
     
    150151The output of this script should be similar to the following:
    151152{{{
    152  INFO NodeHandler: OMF Experiment Controller 5.4 (git 3fb37b9)
     153 INFO NodeHandler: OMF Experiment Controller 5.4 (git a7fbf12)
    153154 INFO NodeHandler: Reading configuration file /etc/omf-expctl-5.4/services.yaml
     155 INFO NodeHandler: Add domain http - http://internal2dmz.orbit-lab.org:5054/
    154156 INFO NodeHandler: Add domain http - http://internal1.orbit-lab.org:5054/
    155157 INFO NodeHandler: Add domain http - http://repository1.orbit-lab.org:5054/
     158 INFO NodeHandler: Add domain http - http://external1.orbit-lab.org:5054/
    156159 INFO NodeHandler: Slice ID: default_slice (default)
    157  INFO NodeHandler: Experiment ID: default_slice-2014-10-09t10.15.22.101-04.00
     160 INFO NodeHandler: Experiment ID: default_slice-2016-05-26t10.05.35.243-04.00
    158161 INFO NodeHandler: Message authentication is disabled
    159162 INFO Experiment: load system:exp:stdlib
     
    162165 INFO Experiment: load system:exp:eventlib
    163166 INFO Experiment: load system:exp:winlib
    164  INFO Experiment: load wifi-ap-iperf.rb
    165  INFO property.accesspoint: accesspoint = "node15-1" (String)
    166  INFO property.client: client = "node16-1,node17-1" (String)
     167 INFO Experiment: load test:exp:tutorial:wifi-ap-iperf.rb
     168 INFO property.accesspoint: accesspoint = "node1-1" (String)
     169 INFO property.client: client = "node1-2,node1-3" (String)
    167170 INFO property.duration: duration = 60 (Fixnum)
    168171 INFO ALL_UP_AND_INSTALLED: Event triggered. Starting the associated tasks.
    169172 INFO exp: Wifi Multi Client Iperf Experiment
    170173 INFO exp: Request from Experiment Script: Wait for 10s....
    171  INFO node17-1.grid.orbit-lab.org: Device 'net/w0' reported Not-Associated
    172  INFO node16-1.grid.orbit-lab.org: Device 'net/w0' reported 00:60:B3:AC:2B:D5
     174 INFO BRING_UP: Event triggered. Starting the associated tasks.
     175 INFO Experiment: Bringing up resources
    173176 INFO exp: All my Applications are started now...
    174177 INFO exp: Request from Experiment Script: Wait for 60s....
    175  INFO node17-1.grid.orbit-lab.org: Device 'net/w0' reported 00:60:B3:AC:2B:D5
    176178 INFO exp: All my Applications are stopped now.
    177179 INFO EXPERIMENT_DONE: Event triggered. Starting the associated tasks.
     
    179181 INFO NodeHandler: Shutting down experiment, please wait...
    180182 INFO NodeHandler:
    181  INFO run: Experiment default_slice-2014-10-09t10.15.22.101-04.00 finished after 1:20
     183 INFO run: Experiment default_slice-2016-05-26t10.05.35.243-04.00 finished after 1:35
    182184}}}
    183185
     
    186188The experiment script generates a lot of data that contains not only results, but also information useful for debugging. This detailed output of the experiment along with iperf's output are aggregated on the console in a log file: /tmp/''Experiment ID''.log
    187189
    188 For this example, the file would be: /tmp/default_slice-2014-10-09t10.15.22.101-04.00.log
     190For this example, the file would be: /tmp/default_slice-2016-05-26t10.05.35.243-04.00.log
    189191
    190192Partial contents of this file (specifically iperf results) are shown below:
    191193{{{
    192 2014-10-09 10:15:38 INFO nodeHandler::exp: All my Applications are started now...
    193 2014-10-09 10:15:38 INFO nodeHandler::exp: Request from Experiment Script: Wait for 60s....
    194 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STARTED from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: ''
    195 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STARTED from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: ''
    196 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STARTED from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: ''
    197 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
    198 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
    199 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: 'Server listening on TCP port 5001'
    200 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: 'TCP window size: 85.3 KiByte (default)'
    201 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: 'Client connecting to 192.168.0.254, TCP port 5001'
    202 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: 'TCP window size: 21.0 KiByte (default)'
    203 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
    204 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '[  7] local 192.168.0.254 port 5001 connected with 192.168.0.2 port 45466'
    205 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
    206 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[  6] local 192.168.0.2 port 45466 connected with 192.168.0.254 port 5001'
    207 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
    208 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '[  8] local 192.168.0.254 port 5001 connected with 192.168.0.3 port 47013'
    209 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: 'Client connecting to 192.168.0.254, TCP port 5001'
    210 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: 'TCP window size: 21.0 KiByte (default)'
    211 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
    212 2014-10-09 10:15:39 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[  6] local 192.168.0.3 port 47013 connected with 192.168.0.254 port 5001'
    213 2014-10-09 10:15:40 DEBUG nodeHandler::AgentCommands: DEV_EVENT CELL_ID from: 'net/w0' (node17-1.grid.orbit-lab.org) - msg: '00:60:B3:AC:2B:D5'
    214 2014-10-09 10:15:40 INFO nodeHandler::node::node17-1.grid.orbit-lab.org: Device 'net/w0' reported 00:60:B3:AC:2B:D5
    215 2014-10-09 10:15:44 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[ ID] Interval       Transfer     Bandwidth'
    216 2014-10-09 10:15:44 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[  6]  0.0- 5.0 sec  2.88 MiBytes  4.82 Mbits/sec'
    217 2014-10-09 10:15:44 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[ ID] Interval       Transfer     Bandwidth'
    218 2014-10-09 10:15:44 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[  6]  0.0- 5.0 sec  4.62 MiBytes  7.76 Mbits/sec'
    219 2014-10-09 10:15:49 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[  6]  5.0-10.0 sec  2.00 MiBytes  3.36 Mbits/sec'
    220 2014-10-09 10:15:49 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[  6]  5.0-10.0 sec  4.38 MiBytes  7.34 Mbits/sec'
    221 2014-10-09 10:15:54 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[  6] 10.0-15.0 sec  2.62 MiBytes  4.40 Mbits/sec'
    222 2014-10-09 10:15:54 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[  6] 10.0-15.0 sec  2.75 MiBytes  4.61 Mbits/sec'
    223 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[  6] 15.0-20.0 sec  3.00 MiBytes  5.03 Mbits/sec'
    224 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: '[  6]  0.0-20.1 sec  10.6 MiBytes  4.43 Mbits/sec'
    225 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT DONE.OK from: 'iperf#2' (node16-1.grid.orbit-lab.org) - msg: 'status: 0'
    226 2014-10-09 10:15:59 DEBUG nodeHandler::NodeApp: Application 'iperf#2' on 'node16-1.grid.orbit-lab.org' finished successfully (end of application)
    227 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '[ ID] Interval       Transfer     Bandwidth'
    228 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '[  7]  0.0-20.3 sec  10.6 MiBytes  4.40 Mbits/sec'
    229 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[  6] 15.0-20.0 sec  3.75 MiBytes  6.29 Mbits/sec'
    230 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: '[  6]  0.0-20.1 sec  15.6 MiBytes  6.51 Mbits/sec'
    231 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node15-1.grid.orbit-lab.org) - msg: '[  8]  0.0-20.2 sec  15.6 MiBytes  6.49 Mbits/sec'
    232 2014-10-09 10:15:59 DEBUG nodeHandler::AgentCommands: APP_EVENT DONE.OK from: 'iperf#2' (node17-1.grid.orbit-lab.org) - msg: 'status: 0'
    233 2014-10-09 10:15:59 DEBUG nodeHandler::NodeApp: Application 'iperf#2' on 'node17-1.grid.orbit-lab.org' finished successfully (end of application)
    234 2014-10-09 10:16:38 DEBUG nodeHandler::nodeSetPath: Stop all applications
     1942016-05-26 10:06:06 INFO nodeHandler::exp: All my Applications are started now...
     1952016-05-26 10:06:06 INFO nodeHandler::exp: Request from Experiment Script: Wait for 60s....
     1962016-05-26 10:06:06 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
     1972016-05-26 10:06:06 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: 'Server listening on TCP port 5001'
     1982016-05-26 10:06:06 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: 'TCP window size: 85.3 KiByte (default)'
     1992016-05-26 10:06:06 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
     2002016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: OK from: 'node1-2.grid.orbit-lab.org' - cmd: 'BRINGUP' - msg: 'net/w0 Connect sucessfull, params configured were mode,type,essid,ip,freq,rate'
     2012016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STARTED from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: ''
     2022016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '[  4] local 192.168.0.254 port 5001 connected with 192.168.0.2 port 32816'
     2032016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
     2042016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: 'Client connecting to 192.168.0.254, TCP port 5001'
     2052016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: 'TCP window size: 85.0 KiByte (default)'
     2062016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: OK from: 'node1-3.grid.orbit-lab.org' - cmd: 'BRINGUP' - msg: 'net/w0 Connect sucessfull, params configured were mode,type,essid,ip,freq,rate'
     2072016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STARTED from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: ''
     2082016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
     2092016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[  3] local 192.168.0.2 port 32816 connected with 192.168.0.254 port 5001'
     2102016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
     2112016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: 'Client connecting to 192.168.0.254, TCP port 5001'
     2122016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: 'TCP window size: 85.0 KiByte (default)'
     2132016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '[  6] local 192.168.0.254 port 5001 connected with 192.168.0.3 port 54237'
     2142016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '------------------------------------------------------------'
     2152016-05-26 10:06:12 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[  3] local 192.168.0.3 port 54237 connected with 192.168.0.254 port 5001'
     2162016-05-26 10:06:17 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[ ID] Interval       Transfer     Bandwidth'
     2172016-05-26 10:06:17 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[  3]  0.0- 5.0 sec  2.50 MiBytes  4.19 Mbits/sec'
     2182016-05-26 10:06:17 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[ ID] Interval       Transfer     Bandwidth'
     2192016-05-26 10:06:17 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[  3]  0.0- 5.0 sec   640 KiBytes  1.05 Mbits/sec'
     2202016-05-26 10:06:22 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[  3]  5.0-10.0 sec  2.38 MiBytes  3.98 Mbits/sec'
     2212016-05-26 10:06:23 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[  3]  5.0-10.0 sec   768 KiBytes  1.26 Mbits/sec'
     2222016-05-26 10:06:27 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[  3] 10.0-15.0 sec  2.50 MiBytes  4.19 Mbits/sec'
     2232016-05-26 10:06:27 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[  3] 10.0-15.0 sec   640 KiBytes  1.05 Mbits/sec'
     2242016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[  3] 15.0-20.0 sec  2.50 MiBytes  4.19 Mbits/sec'
     2252016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: '[  3]  0.0-20.1 sec  10.0 MiBytes  4.17 Mbits/sec'
     2262016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT DONE.OK from: 'iperf#2' (node1-2.grid.orbit-lab.org) - msg: 'status: pid 1698 exit 0'
     2272016-05-26 10:06:32 DEBUG nodeHandler::NodeApp: Application 'iperf#2' on 'node1-2.grid.orbit-lab.org' finished successfully (returned: 'status: pid 1698 exit 0')
     2282016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '[ ID] Interval       Transfer     Bandwidth'
     2292016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '[  4]  0.0-20.4 sec  10.0 MiBytes  4.11 Mbits/sec'
     2302016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[  3] 15.0-20.0 sec   640 KiBytes  1.05 Mbits/sec'
     2312016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: '[  3]  0.0-20.1 sec  2.75 MiBytes  1.15 Mbits/sec'
     2322016-05-26 10:06:32 DEBUG nodeHandler::AgentCommands: APP_EVENT DONE.OK from: 'iperf#2' (node1-3.grid.orbit-lab.org) - msg: 'status: pid 1570 exit 0'
     2332016-05-26 10:06:32 DEBUG nodeHandler::NodeApp: Application 'iperf#2' on 'node1-3.grid.orbit-lab.org' finished successfully (returned: 'status: pid 1570 exit 0')
     2342016-05-26 10:06:33 DEBUG nodeHandler::AgentCommands: APP_EVENT STDOUT from: 'iperf#1' (node1-1.grid.orbit-lab.org) - msg: '[  6]  0.0-20.2 sec  2.75 MiBytes  1.14 Mbits/sec'
     2352016-05-26 10:07:06 DEBUG nodeHandler::nodeSetPath: Stop all applications
    235236}}}
    236237