Changes between Initial Version and Version 1 of PlasticSlices/Continuation/Round2

Timestamp:

03/07/12 10:43:37 (12 years ago)

Author:

Josh Smift

Comment:

--

PlasticSlices/Continuation/Round2

@@ +1 @@
+[[PageOutline]]
+
+= Continuation Round 2 =
+
+In this round, I ran plastic-104 for about three days, to try to exercise a monitoring bug.
+
+The raw logs are at http://www.gpolab.bbn.com/plastic-slices/continuation/round-2/.
+
+= plastic-104 =
+
+[PlasticSlices/Experiments#SteadyPerfUDP SteadyPerf UDP], using port=5104, time=518400, rate=3, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| ganel.gpolab.bbn.com           || wings-openflow-2.wail.wisc.edu || server=10.42.104.95  ||
+|| wings-openflow-3.wail.wisc.edu || orbitplc2.orbit-lab.org        || server=10.42.104.112 ||
+|| orbitplc1.orbit-lab.org        || pl4.myplc.grnoc.iu.edu         || server=10.42.104.72  ||
+|| pl5.myplc.grnoc.iu.edu         || sardis.gpolab.bbn.com          || server=10.42.104.53  ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install iperf
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -u -B $server -p 5104 -s -i 1
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -u -c $server -p 5104 -t 518400 -b 3M
+}}}
+
+== Results ==
+
+Generated with
+
+{{{
+subnet=104
+for host in $(awk 'NR%2==1' ~/plastic-slices/logins/logins-plastic-$subnet.txt | sed -r -e 's/.+@//') ; do echo -e "$host:\n\n{{{" ; grep -A 10 -B 1 "Client connecting" pgenigpolabbbncom_plastic$subnet\@$host.log ; echo -e "}}}\n" ; done
+}}}
+
+and then edited slightly to remove artifacts (like control characters, my prompt, etc).
+
+ganel.gpolab.bbn.com:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.104.95, UDP port 5104
+Sending 1470 byte datagrams
+UDP buffer size:   110 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.104.51 port 56273 connected with 10.42.104.95 port 5104
+[  3]  0.0-243894.3 sec  85.2 GBytes  3.00 Mbits/sec
+[  3] Sent 62217930 datagrams
+[  3] Server Report:
+[  3]  0.0-243892.1 sec  85.2 GBytes  3.00 Mbits/sec  0.010 ms  647/62217930 (0.001%)
+[  3]  0.0-243892.1 sec  360 datagrams received out-of-order
+}}}
+
+wings-openflow-3.wail.wisc.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.104.112, UDP port 5104
+Sending 1470 byte datagrams
+UDP buffer size:  110 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.104.96 port 39179 connected with 10.42.104.112 port 5104
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-243902.8 sec  85.2 GBytes  3.00 Mbits/sec
+[  3] Sent 62220093 datagrams
+[  3] Server Report:
+[  3]  0.0-243900.0 sec  85.2 GBytes  3.00 Mbits/sec   0.021 ms  952/62220093 (0.0015%)
+[  3]  0.0-243900.0 sec  119 datagrams received out-of-order
+}}}
+
+orbitplc1.orbit-lab.org:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.104.72, UDP port 5104
+Sending 1470 byte datagrams
+UDP buffer size:   110 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.104.111 port 44818 connected with 10.42.104.72 port 5104
+[  3]  0.0-243912.5 sec  85.2 GBytes  3.00 Mbits/sec
+[  3] Sent 62222584 datagrams
+[  3] Server Report:
+[  3]  0.0-243909.0 sec  85.2 GBytes  3.00 Mbits/sec  0.005 ms 1228/62222584 (0.002%)
+[  3]  0.0-243909.0 sec  5091 datagrams received out-of-order
+}}}
+
+pl5.myplc.grnoc.iu.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.104.53, UDP port 5104
+Sending 1470 byte datagrams
+UDP buffer size:   110 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.104.73 port 34865 connected with 10.42.104.53 port 5104
+[  3]  0.0-243919.2 sec  85.2 GBytes  3.00 Mbits/sec
+[  3] Sent 62224276 datagrams
+[  3] Server Report:
+[  3]  0.0-243916.3 sec  85.2 GBytes  3.00 Mbits/sec  0.005 ms 1186/62224276 (0.0019%)
+[  3]  0.0-243916.3 sec  193 datagrams received out-of-order
+}}}
+
+== Analysis ==
+
+All data seems to have been sent successfully (up to four nines, anyway).