hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Mr.Thien" <thien...@anlab.vn>
Subject Re: hadoop question
Date Fri, 08 Aug 2008 02:09:21 GMT
Thanks your help, hadoop-site.html and hadoop-default.xml is attached

On Thu, 2008-08-07 at 12:35 -0400, Khanh Nguyen wrote:
> Can you also post you hadoop-site.xml and hadoop-default.xml?
> 
> -k
> 
> On Thu, Aug 7, 2008 at 3:52 AM, Mr.Thien <thien.td@anlab.vn> wrote:
> > Hi everyone,
> >
> > I am trying to use hadoop.
> >
> > I set up my computer (thientd-desktop) as master (jobtracker and
> > namenode). Two other computers: trunght-desktop and quanglt-desktop as
> > slave.
> >
> > When I execute an example as below, the map operation seems to be ok.
> > (It always success and fast).
> > However the reduce operation always fails at 16.66%.
> > If I run hadoop on only one computer, it runs ok.
> >
> > Below are the screen when the problem arise.
> >
> > /////
> > thientd@thientd-desktop:~/projects/hadoop-0.17.1$ bin/hadoop jar
> > hadoop-0.17.1-examples.jar wordcount gutenberg thien-out
> > 08/08/07 14:17:15 INFO mapred.FileInputFormat: Total input paths to
> > process : 1
> > 08/08/07 14:17:15 INFO mapred.JobClient: Running job:
> > job_200808071415_0001
> > 08/08/07 14:17:16 INFO mapred.JobClient:  map 0% reduce 0%
> > 08/08/07 14:17:23 INFO mapred.JobClient:  map 50% reduce 0%
> > 08/08/07 14:17:24 INFO mapred.JobClient:  map 100% reduce 0%
> > 08/08/07 14:17:28 INFO mapred.JobClient:  map 100% reduce 16%
> > 08/08/07 14:25:34 INFO mapred.JobClient: Task Id :
> > task_200808071415_0001_m_000001_0, Status : FAILED
> > Too many fetch-failures
> > 08/08/07 14:25:34 WARN mapred.JobClient: Error reading task
> > outputquanglt-desktop
> > 08/08/07 14:25:34 WARN mapred.JobClient: Error reading task
> > outputquanglt-desktop
> > //////
> >
> > Could anyone told me the possible reason of the error?
> > Thanks in advanced.
> >
> > thientd.
> >
> >
> 

Mime
View raw message