Cluster architecture

This is a single-node CDH4 cluster with the following services:

• Node cloudera0
  • HDFS:
    • namenode
    • datanode
  • Map/Reduce v1
    • jobtracker
    • tasktracker

All nodes have a vagrant user (password: vagrant).

Installation

git clone https://github.com/sgomezvillamor/vagrant-cdh4-pseudo-mrv1
cd vagrant-cdh4-pseudo-mrv1
vagrant up

Webapps

• HDFS http://192.168.56.20:50070/
• Map/Reduce http://192.168.56.20:50030/

Considerations

HDFS permissions

If you need to disable user permissions in HDFS add the following parameter to /etc/hadoop/conf/hdfs-site.xml (restarting services is required):

  <property>
    <name>dfs.permissions</name>
    <value>false</value>
  </property>