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From Ariel Rabkin <asrab...@gmail.com>
Subject Re: start-data-processors.sh
Date Thu, 28 Jan 2010 22:01:03 GMT
You can also try defining fs.default.name in chukwa-demux-conf.xml

On Thu, Jan 28, 2010 at 1:36 PM, Eric Yang <eyang@yahoo-inc.com> wrote:
> Echo on what Ari said.  Make sure your hdfs-site.xml is in HADOOP_CONF_DIR
> or in the class path.  Demux uses this file to determine location of your
> HDFS.
>
> Regards,
> Eric
>
>
> On 1/28/10 11:58 AM, "Ariel Rabkin" <asrabkin@gmail.com> wrote:
>
>> We don't use demux at my site, so I'd love to have Eric or Jerome jump
>> in here.  But that said:
>>
>> I believe the typical way to set this up is to have conf/chukwa-env.sh
>> define HADOOP_CONF_DIR; the filesystem is then specified via the
>> Hadoop configuration. (fs.default.name)  You shouldn't need to change
>> chukwa-demux-conf.
>>
>> In re processSinkFiles -- What version of Chukwa are you using?  In
>> Chukwa 0.3, the only formal release we've done so far, there's no
>> processSinkFiles.sh, and the line in start-data-processors that
>> references it has been commented out.  You don't need it; references
>> to it are a historical artifact that should go away in the next
>> release.
>>
>> --Ari
>>
>> On Thu, Jan 28, 2010 at 11:15 AM, Corbin Hoenes <corbin@tynt.com> wrote:
>>> I'm having some difficulty with the demux part of setting up chukwa.  I
>>> assume I am supposed to run the start-data-processors.sh script to startup
>>> all the map reduce jobs that handle demux and archiving.
>>>
>>> My goal is to pull the logs we are collecting out of the sink files and into
>>> something we can start to run our pig scripts on.
>>>
>>> When I run start-data-processors it gives me this though:
>>>
>>> org.apache.hadoop.mapred.InvalidInputException: Input path does not exist:
>>> file:/chukwa/demuxProcessing/mrInput
>>>        at
>>> org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:190)
>>>        at
>>> org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInput
>>> Format.java:44)
>>>        at
>>> org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:201)
>>>        at
>>> org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:851)
>>>        at
>>> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:822)
>>>        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:771)
>>>        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1290)
>>>        at org.apache.hadoop.chukwa.extraction.demux.Demux.run(Demux.java:192)
>>>
>>> Which seems like I need to configure it to try to connect to hdfs rather than
>>> file:/
>>>
>>> Only docs I've found are here:
>>> http://hadoop.apache.org/chukwa/docs/current/admin.html
>>> Is there a guide to configuring chukwa-demux-conf.xml?
>>>
>>> I also noticed start-data-processors.sh tries to start processSinkFiles.sh
>>> which doesn't exist for me--do I need to get this script?s
>>>
>>>
>>>
>>
>>
>
>



-- 
Ari Rabkin asrabkin@gmail.com
UC Berkeley Computer Science Department

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