Try something like: http://tutorialgenius.blogspot.ca/2012/03/tcpdump-localhost.html
After you launch tcpdump it mentions "eth0", while your mapred-site.xml is referring to "localhost" or "lo". Perhaps... (Sorry, I don't have a VM running and can't remember if it's "lo" = "elle-o".) On Sun, Dec 8, 2013 at 2:57 PM, navaz <navaz....@gmail.com> wrote: > Thanks. I have tried with sudo command and command executed successfully. > But nothing is captured. > > hduser@ubuntu:~/Downloads$ sudo tcpdump port 13562 > [sudo] password for hduser: > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes > > I am running the mapreduce program and this is the output. > > hduser@ubuntu:~/Downloads$ hadoop jar chiu-wordcount2.jar WordCount > /user/hduser/getty/gettysburg.txt /user/hduser/getty/out8 > Warning: $HADOOP_HOME is deprecated. > > 13/12/08 10:43:47 WARN mapred.JobClient: Use GenericOptionsParser for > parsing the arguments. Applications should implement Tool for the same. > 13/12/08 10:43:47 INFO input.FileInputFormat: Total input paths to process > : 1 > 13/12/08 10:43:47 INFO util.NativeCodeLoader: Loaded the native-hadoop > library > 13/12/08 10:43:47 WARN snappy.LoadSnappy: Snappy native library not loaded > 13/12/08 10:43:48 INFO mapred.JobClient: Running job: job_201312081040_0001 > 13/12/08 10:43:49 INFO mapred.JobClient: map 0% reduce 0% > 13/12/08 10:43:54 INFO mapred.JobClient: map 100% reduce 0% > 13/12/08 10:44:02 INFO mapred.JobClient: map 100% reduce 33% > 13/12/08 10:44:03 INFO mapred.JobClient: map 100% reduce 100% > 13/12/08 10:44:04 INFO mapred.JobClient: Job complete: > job_201312081040_0001 > 13/12/08 10:44:04 INFO mapred.JobClient: Counters: 29 > 13/12/08 10:44:04 INFO mapred.JobClient: Job Counters > 13/12/08 10:44:04 INFO mapred.JobClient: Launched reduce tasks=1 > 13/12/08 10:44:04 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=5478 > 13/12/08 10:44:04 INFO mapred.JobClient: Total time spent by all > reduces waiting after reserving slots (ms)=0 > 13/12/08 10:44:04 INFO mapred.JobClient: Total time spent by all maps > waiting after reserving slots (ms)=0 > 13/12/08 10:44:04 INFO mapred.JobClient: Launched map tasks=1 > 13/12/08 10:44:04 INFO mapred.JobClient: Data-local map tasks=1 > 13/12/08 10:44:04 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=8804 > 13/12/08 10:44:04 INFO mapred.JobClient: File Output Format Counters > 13/12/08 10:44:04 INFO mapred.JobClient: Bytes Written=1106 > 13/12/08 10:44:04 INFO mapred.JobClient: FileSystemCounters > 13/12/08 10:44:04 INFO mapred.JobClient: FILE_BYTES_READ=3059 > 13/12/08 10:44:04 INFO mapred.JobClient: HDFS_BYTES_READ=1606 > 13/12/08 10:44:04 INFO mapred.JobClient: FILE_BYTES_WRITTEN=108770 > 13/12/08 10:44:04 INFO mapred.JobClient: HDFS_BYTES_WRITTEN=1106 > 13/12/08 10:44:04 INFO mapred.JobClient: File Input Format Counters > 13/12/08 10:44:04 INFO mapred.JobClient: Bytes Read=1486 > 13/12/08 10:44:04 INFO mapred.JobClient: Map-Reduce Framework > 13/12/08 10:44:04 INFO mapred.JobClient: Map output materialized > bytes=3059 > 13/12/08 10:44:04 INFO mapred.JobClient: Map input records=6 > 13/12/08 10:44:04 INFO mapred.JobClient: Reduce shuffle bytes=3059 > 13/12/08 10:44:04 INFO mapred.JobClient: Spilled Records=544 > 13/12/08 10:44:04 INFO mapred.JobClient: Map output bytes=2509 > 13/12/08 10:44:04 INFO mapred.JobClient: Total committed heap usage > (bytes)=131600384 > 13/12/08 10:44:04 INFO mapred.JobClient: CPU time spent (ms)=1010 > 13/12/08 10:44:04 INFO mapred.JobClient: Combine input records=0 > 13/12/08 10:44:04 INFO mapred.JobClient: SPLIT_RAW_BYTES=120 > 13/12/08 10:44:04 INFO mapred.JobClient: Reduce input records=272 > 13/12/08 10:44:04 INFO mapred.JobClient: Reduce input groups=138 > 13/12/08 10:44:04 INFO mapred.JobClient: Combine output records=0 > 13/12/08 10:44:04 INFO mapred.JobClient: Physical memory (bytes) > snapshot=182116352 > 13/12/08 10:44:04 INFO mapred.JobClient: Reduce output records=138 > 13/12/08 10:44:04 INFO mapred.JobClient: Virtual memory (bytes) > snapshot=696483840 > 13/12/08 10:44:04 INFO mapred.JobClient: Map output records=272 > hduser@ubuntu:~/Downloads$ > > > > mapred-site.xml file is given below. > > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> > > <!-- Put site-specific property overrides in this file. --> > > <configuration> > <property> > <name>mapred.job.tracker</name> > <value>localhost:54311</value> > <description>The host and port that the MapReduce job tracker runs > at. If "local", then jobs are run in-process as a single map > and reduce task. > </description> > </property> > <property> > <name>mapreduce.shuffle.port</name> > <value>localhost:13562</value> > <description>To Monitor traffic on this port > </description> > </property> > </configuration> > > > > > I tried to run again after changing the port number to 54382 still no > output. Can anybody tell me why I am not able to monitor traffic? Thanks in > advance. > > > Thanks & Regards > Abdul Navaz > > > On Fri, Dec 6, 2013 at 12:39 PM, Lars Nilsson <chamael...@gmail.com>wrote: > >> On Dec 6, 2013 11:08 AM, "navaz" <navaz....@gmail.com> wrote: >> > I have tried tcpdump using "tcpdump port 13562" but not succeeded. >> Could you please tell me am i following the step correctly. >> > >> > hduser@ubuntu:~/Downloads$ tcpdump port 13562 >> > tcpdump: no suitable device found >> >> You are probably missing root privileges. Try sudo if you have it on the >> machine in question, otherwise ask your sysadmin. >> >> Lars Nilsson >> > > > > -- > *Abdul Navaz* > *Masters in Network Communications* > *University of Houston* > *Houston, TX - 77204-4020* > *Ph - 281-685-0388 <281-685-0388>* > *fabdulna...@uh.edu* <fabdulna...@uh.edu> > >
