title: how to install kafka in hadoop cluster
body: <p>I want to install the latest release of Kafka on my ubuntu Hadoop cluster that contains 1 master nodes and 4 data nodes.</p>
  
  <p>Here are my questions:</p>
  
  <pre><code>Should kafka be installed on all the machines or only on NameNode machine?
  
  What about zookeeper? Should it be installed on all the machines or only  
  on NameNode machine?
  </code></pre>
  
  <p>Please share required document to install kafka and Zookeeper in a Hadoop 5 node cluster</p>