title: Backup/restore kafka and zookeeper
body: <p>I am running a simple 3 node of <code>kafka</code> and 5 node of <code>zookeeper</code> to run the <code>kafka</code>, I would like to know which is the good way of backup my <code>kafka</code>, same for my <code>zookeeper</code>.</p>
  
  <p>For the moment I just export my data directory to a s3 bucket...</p>
  
  <p>Thanks.</p>