title: Mongodb startup warnings after update
body: <p>I updated the mongodb using</p>
  
  <pre><code>sudo apt-get install mongodb-org
  </code></pre>
  
  <p>mongodb is updated from 2.4 to 3.0. Soon after I connected to mongo shell, it is displaying the below start up warnings. I am unaware of fixing it. Suggest me how to fix these warnings?</p>
  
  <pre><code>MongoDB shell version: 3.0.1
  connecting to: test  
  Server has startup warnings: 
  2015-04-03T13:37:53.536+0530 I CONTROL  [initandlisten] 
  2015-04-03T13:37:53.536+0530 I CONTROL  [initandlisten] ** WARNING:        /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
  2015-04-03T13:37:53.536+0530 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
  2015-04-03T13:37:53.536+0530 I CONTROL  [initandlisten] 
  2015-04-03T13:37:53.537+0530 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
  2015-04-03T13:37:53.537+0530 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
  2015-04-03T13:37:53.537+0530 I CONTROL  [initandlisten] 
  </code></pre>