My learning phase with Hadoop is still continuing. During this phase what I
found is a great lack of a comprehensive POC which covers at least a few
prominent Hadoop technologies. My POC can fill up that void. After having set up
CDH4.7 in my laptop, I completed implementation...
Mapreduce
3 Articles
If you are getting "Exception from
container-launch:org.apache.hadoop.util.Shell$ExitCodeException" in FAILED
application's Diagnostics (or Command prompt) and
"java.lang.NoClassDefFoundError: org/apache/hadoop/service/CompositeService" in
'stderr' containerlogs while running any Hadoop example on Windows
[/run-hadoop-wordcount-mapreduce-example-windows], then add all the required
Hadoop jars to the property...
In this post, we'll use HDFS command 'bin\hdfs dfs' with different options like
mkdir, copyFromLocal, cat, ls and finally run the wordcount MapReduce job
provided in
%HADOOP_HOME%\share\hadoop\mapreduce\hadoop-mapreduce-examples-2.2.0.jar. On
successful execution of the job in the Single Node (pseudo-distributed mode)
cluster, an...