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From Mohammad Tariq <donta...@gmail.com>
Subject Re: How to begin with Chukwa
Date Thu, 10 Nov 2011 19:53:55 GMT
Can you share 'configured' Chukwa configuration files that are
necessary in order to run Chukwa agent and collector, if you have any
and if possible for you so that I can observe them and figure out what
I am missing???

Regards,
    Mohammad Tariq



On Fri, Nov 11, 2011 at 1:16 AM, Mohammad Tariq <dontariq@gmail.com> wrote:
> This is the output on my terminal when i issue
> "prashant@ubuntu:~/chukwa-0.4.0$ bin/chukwa agent" -
> prashant@ubuntu:~/chukwa-0.4.0$ java.io.IOException: Cannot run
> program "/usr/bin/iostat": java.io.IOException: error=2, No such file
> or directory
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
>        at java.lang.Runtime.exec(Runtime.java:593)
>        at java.lang.Runtime.exec(Runtime.java:431)
>        at java.lang.Runtime.exec(Runtime.java:328)
>        at org.apache.hadoop.chukwa.inputtools.plugin.ExecPlugin.execute(ExecPlugin.java:66)
>        at org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor$RunToolTask.run(ExecAdaptor.java:68)
>        at java.util.TimerThread.mainLoop(Timer.java:512)
>        at java.util.TimerThread.run(Timer.java:462)
> Caused by: java.io.IOException: java.io.IOException: error=2, No such
> file or directory
>        at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
>        at java.lang.ProcessImpl.start(ProcessImpl.java:65)
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
>        ... 7 more
> java.io.IOException: Cannot run program "/usr/bin/sar":
> java.io.IOException: error=2, No such file or directory
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
>        at java.lang.Runtime.exec(Runtime.java:593)
>        at java.lang.Runtime.exec(Runtime.java:431)
>        at java.lang.Runtime.exec(Runtime.java:328)
>        at org.apache.hadoop.chukwa.inputtools.plugin.ExecPlugin.execute(ExecPlugin.java:66)
>        at org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor$RunToolTask.run(ExecAdaptor.java:68)
>        at java.util.TimerThread.mainLoop(Timer.java:512)
>        at java.util.TimerThread.run(Timer.java:462)
> Caused by: java.io.IOException: java.io.IOException: error=2, No such
> file or directory
>        at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
>        at java.lang.ProcessImpl.start(ProcessImpl.java:65)
>        at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
>        ... 7 more
>
> and when i issue "prashant@ubuntu:~/chukwa-0.4.0$ bin/chukwa
> collector" i get this -
> prashant@ubuntu:~/chukwa-0.4.0$ 2011-11-11 01:04:25.851::INFO:
> Logging to STDERR via org.mortbay.log.StdErrLog
> 2011-11-11 01:04:25.894::INFO:  jetty-6.1.11
>
> Regards,
>     Mohammad Tariq
>
>
>
> On Fri, Nov 11, 2011 at 1:12 AM, Mohammad Tariq <dontariq@gmail.com> wrote:
>> Hello AD,
>>  this my initial_adaptors file -
>>
>> add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Iostat
>> 60 /usr/bin/iostat -x -k 55 2 0
>> add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Df 60
>> /bin/df -l 0
>> add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Sar 60
>> /usr/bin/sar -q -r -n ALL 55 0
>> add org.apache.hadoop.chukwa.datacollection.adaptor.ExecAdaptor Top 60
>> /usr/bin/top -b -n 1 -c 0
>>
>> and this is the collectors file -
>> localhost
>>
>> I am trying to run both agent and collector on the same machine.
>>
>> The collector.log file looks like this -
>> 2011-11-11 01:04:25,180 INFO main ChukwaConfiguration - chukwaConf is
>> /home/prashant/chukwa-0.4.0/bin/../conf
>> 2011-11-11 01:04:25,434 INFO main root - initing servletCollector
>> 2011-11-11 01:04:25,438 INFO main PipelineStageWriter - using
>> pipelined writers, pipe length is 2
>> 2011-11-11 01:04:25,448 INFO main SeqFileWriter - rotateInterval is 300000
>> 2011-11-11 01:04:25,448 INFO main SeqFileWriter - outputDir is /chukwa/logs/
>> 2011-11-11 01:04:25,448 INFO main SeqFileWriter - fsname is
>> hdfs://localhost:9000/
>> 2011-11-11 01:04:25,448 INFO main SeqFileWriter - filesystem type from
>> core-default.xml is org.apache.hadoop.hdfs.DistributedFileSystem
>> 2011-11-11 01:04:25,455 INFO Thread-6 SocketTeeWriter - listen thread started
>> 2011-11-11 01:04:25,593 ERROR main SeqFileWriter - can't connect to
>> HDFS, trying default file system instead (likely to be local)
>> java.lang.NoClassDefFoundError: org/apache/commons/configuration/Configuration
>>        at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<init>(DefaultMetricsSystem.java:37)
>>        at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<clinit>(DefaultMetricsSystem.java:34)
>>        at org.apache.hadoop.security.UgiInstrumentation.create(UgiInstrumentation.java:51)
>>        at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:196)
>>        at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:159)
>>        at org.apache.hadoop.security.UserGroupInformation.isSecurityEnabled(UserGroupInformation.java:216)
>>        at org.apache.hadoop.security.KerberosName.<clinit>(KerberosName.java:83)
>>        at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:189)
>>        at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:159)
>>        at org.apache.hadoop.security.UserGroupInformation.isSecurityEnabled(UserGroupInformation.java:216)
>>        at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:409)
>>        at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:395)
>>        at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:1418)
>>        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1319)
>>        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:226)
>>        at org.apache.hadoop.chukwa.datacollection.writer.SeqFileWriter.init(SeqFileWriter.java:123)
>>        at org.apache.hadoop.chukwa.datacollection.writer.PipelineStageWriter.init(PipelineStageWriter.java:88)
>>        at org.apache.hadoop.chukwa.datacollection.collector.servlet.ServletCollector.init(ServletCollector.java:112)
>>        at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:433)
>>        at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:256)
>>        at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
>>        at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:616)
>>        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
>>        at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:513)
>>        at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
>>        at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
>>        at org.mortbay.jetty.Server.doStart(Server.java:222)
>>        at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
>>        at org.apache.hadoop.chukwa.datacollection.collector.CollectorStub.main(CollectorStub.java:121)
>> Caused by: java.lang.ClassNotFoundException:
>> org.apache.commons.configuration.Configuration
>>        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>>        at java.security.AccessController.doPrivileged(Native Method)
>>        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>>        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>>        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>>        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>>        ... 29 more
>>
>> Regards,
>>     Mohammad Tariq
>>
>>
>>
>> On Thu, Nov 10, 2011 at 8:30 PM, AD <straightflush@gmail.com> wrote:
>>> what happens when you tail the collector.log file?
>>> can you share your initial_adaptors and collectors file in conf ?
>>>
>>> On Thu, Nov 10, 2011 at 8:13 AM, Mohammad Tariq <dontariq@gmail.com> wrote:
>>>>
>>>> Hello AD,
>>>>   I am sorry for leaving the discussion in between, I was busy with
>>>> my exams.Now I am back and need your help.I started with what you have
>>>> suggested and read about the concepts (agents and collectors etc). Now
>>>> I am trying to collect the data from a file on the local file system
>>>> and trying to dump it into the HDFS and I am running the agent and
>>>> collector on the same machine.I was able to start the agent but when I
>>>> tried to start the collector I got the following line at the terminal
>>>> and the terminal got stuck there itself -
>>>> tariq@ubuntu:~/chukwa-0.4.0$ 2011-11-10 18:42:09.521::INFO:  Logging
>>>> to STDERR via org.mortbay.log.StdErrLog
>>>> 2011-11-10 18:42:09.544::INFO:  jetty-6.1.11
>>>>
>>>> When I issued jps, I could see only the agent.
>>>>
>>>> Regards,
>>>>     Mohammad Tariq
>>>>
>>>>
>>>>
>>>> On Sat, Nov 5, 2011 at 5:38 AM, Bill Graham <billgraham@gmail.com>
wrote:
>>>> > One difference between Chukwa and Flume is that in Chukwa you configure
>>>> > each
>>>> > component individually to know how to handle different datatypes. This
>>>> > makes
>>>> > it fairly straight-forward to set up, but can be painful to manage for
>>>> > very
>>>> > large installs (so I've heard). Flume centralized the configs of "flows"
>>>> > which helps when managing larger installs, at the cost of additional
>>>> > complexity.
>>>> >
>>>> > On Fri, Nov 4, 2011 at 7:02 AM, AD <straightflush@gmail.com> wrote:
>>>> >>
>>>> >> Are you running the agent and collector on the same machine?  Off
the
>>>> >> cuff
>>>> >> its something like
>>>> >> 1 - set your CHUKWA_HOME env variable
>>>> >> 2 - edit conf/chukwa-env.sh and make sure JAVA_HOME and all the
vars
>>>> >> look
>>>> >> good
>>>> >> 3 - edit conf/initial_adaptors with the adaptors you need.  note
here
>>>> >> that
>>>> >> the dataType
>>>> >> 4 - edit conf/collectors and add the hostname/ip of the collectors
>>>> >> 5 - edit conf/agents and add ip/hostname of the agents
>>>> >> 6 - edit conf/chukwa-demux.conf and make sure you have a demux
>>>> >> processor
>>>> >> for your dataType (name from initial_adaptors)
>>>> >> On agent node run bin/chukwa agent , tail ${CHUKWA_LOGS}/agent.log
>>>> >> On collector node run bin/chukwa collector  ,  tail
>>>> >> ${CHUKWA_LOGS]/collector.log
>>>> >> On collector node run bin/chukwa Demux  ,  tail
>>>> >> ${CHUKWA_LOGS}/Demux.log
>>>> >>
>>>> >>
>>>> >> On Fri, Nov 4, 2011 at 9:48 AM, Mohammad Tariq <dontariq@gmail.com>
>>>> >> wrote:
>>>> >>>
>>>> >>> Hello AD,
>>>> >>>   Yes, I have read the wiki and right now I am trying to set
up a
>>>> >>> Chukwa cluster using the wiki itself. Are there any other links
you
>>>> >>> are aware of that can help me learn and use Chukwa in a better
>>>> >>> fashion?? I am trying to use Chukwa for data in "The Wellsite
>>>> >>> Information Transfer Standard Markup Language (WITSML)" format.
>>>> >>>
>>>> >>> Regards,
>>>> >>>     Mohammad Tariq
>>>> >>>
>>>> >>>
>>>> >>> On Fri, Nov 4, 2011 at 6:49 PM, AD <straightflush@gmail.com>
wrote:
>>>> >>> >
>>>> >>> > I think it helps to read he wiki and understand the basic
concepts,
>>>> >>> > like agents and collectors.  What kind of data do you
want to parse?
>>>> >>> >  I have
>>>> >>> > used both Flume and Chukwa myself and can say for sure
Chukwa is
>>>> >>> > miles
>>>> >>> > easier to work with and configure.  Flume may have some
more
>>>> >>> > advanced
>>>> >>> > features, but so far i found Chukwa both easy to extend
from a
>>>> >>> > development
>>>> >>> > standpoint, and much easier to configure.
>>>> >>> > Have you read the wiki pages ?
>>>> >>> >
>>>> >>> > On Fri, Nov 4, 2011 at 8:39 AM, Mohammad Tariq <dontariq@gmail.com>
>>>> >>> > wrote:
>>>> >>> >>
>>>> >>> >> Hello list,
>>>> >>> >>   I am totally new to Chukwa and I have to learn and
start using it
>>>> >>> >> as
>>>> >>> >> soon soon as possible as a part of my new project.
Could any one
>>>> >>> >> let me know
>>>> >>> >> how to begin with?? It would be a great favor to me.
I know Flume
>>>> >>> >> and have
>>>> >>> >> used it already.Also I would like to know how different
is Chukwa
>>>> >>> >> from
>>>> >>> >> Flume??
>>>> >>> >>   Many thanks in advance.
>>>> >>> >>
>>>> >>> >>   Regards,
>>>> >>> >>     Mohammad Tariq
>>>> >>> >
>>>> >>
>>>> >
>>>> >
>>>
>>>
>>
>

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