-Re: Standalone operation - file permission, Pseudo-Distributed operation - no output
madhu phatak 2012-03-08, 11:40
Just make sure both task tracker and data node is up. Go to localhost:50030
and see is it shows no.of nodes equal to 1?
On Thu, Feb 9, 2012 at 9:18 AM, Kyong-Ho Min <[EMAIL PROTECTED]>wrote:
> I am a hadoop newbie and I have 2 questions.
> I followed Hadoop standalone mode testing.
> I got error message from Cygwin terminal like file permission error.
> I checked out mailing list and changed the part in RawLocalFileSystem.java
> but not working.
> Still I have file permission error in the directory:
> I followed instruction about Pseudo-Distributed operation.
> Ssh is OK and namenode -format is OK.
> But it did not return any results and the processing is just halted.
> The Cygwin console scripts are
> $ bin/hadoop jar hadoop-examples-*.jar grep input output 'dfs[a-z.]+'
> 12/02/09 14:25:44 INFO mapred.FileInputFormat: Total input paths to
> process : 17
> 12/02/09 14:25:44 INFO mapred.JobClient: Running job: job_201202091423_0001
> 12/02/09 14:25:45 INFO mapred.JobClient: map 0% reduce 0%
> Any help pls.
> Kyongho Min