I forgot to add to my earlier note, you can also try using Apache Whirr to provision clusters on AWS http://blog.cloudera.com/blog/2012/10/set-up-a-hadoophbase-cluster-on-ec2-in-about-an-hour/ ... View more

The Cloudera Manager and CDH installation can be automated though it would require a bit of programming from your side: Read about Path B installation in this link: http://www.cloudera.com/content/cloudera-content/cloudera-docs/CM5/latest/Cloudera-Manager-Installation-Guide/cm5ig_install_cm_cdh.html Then you can use the Cloudera Manager API to add hosts, services and roles to your cluster http://cloudera.github.io/cm_api/ ... View more

You had mentioned you want to see the schema, so the describe command is how it is done. If you want to see the entire contents of the table, you can type this on the hbase shell:   > scan 'table-name'   ... View more

To see the table definition, run > describe 'table-name' ... View more

Please refer to http://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/HadoopStreaming.html which shows the correct usage. Use -file for each file to be copied across. For example, try:   $ /usr/lib/hadoop/bin/hadoop jar /usr/lib/hadoop-mapreduce/hadoop-streaming-2.3.0-cdh5.1.0.jar -file /tmp/mapper.py -file /tmp/reducer.py -mapper /tmp/mapper.py -reducer /tmp/reducer.py -input gutenberg/4300.txt -output output   Edit: hyperlink and space char in command ... View more

Please start a new thread and detail all the steps you took till the problem occurs. ... View more

The bottom of the stack trace says "Caused by: java.io.IOException: Cannot run program "/tmp/mapper.py": error=2, No such file or directory". How many nodes are there in this cluster? Have you copied the mapper.py program to all the nodes? It also needs to be executable (chmod 755 mapper.py) ... View more