title: Mongodb does not releasing connections?
body: <p>I have implemented an application using spring, while investigating mongodb logs i see that connections only increasing not releasing in a week</p>
  
  <pre><code>  Tue Jul 23 11:26:04 [initandlisten] connection accepted from 127.0.0.1:38772 #92 (83 connections now open)
  Tue Jul 23 11:27:59 [initandlisten] connection accepted from 127.0.0.1:38789 #93 (84 connections now open)
  Tue Jul 23 11:28:44 [initandlisten] connection accepted from 127.0.0.1:38794 #94 (85 connections now open)
  Tue Jul 23 11:29:08 [initandlisten] connection accepted from 127.0.0.1:38802 #95 (86 connections now open)
  Wed Jul 24 05:46:09 [initandlisten] connection accepted from 127.0.0.1:39045 #96 (87 connections now open)
  Wed Jul 24 05:46:32 [initandlisten] connection accepted from 127.0.0.1:39048 #97 (88 connections now open)
  Wed Jul 24 05:47:14 [initandlisten] connection accepted from 127.0.0.1:39054 #98 (89 connections now open)
  Wed Jul 24 05:48:44 [initandlisten] connection accepted from 127.0.0.1:39057 #99 (90 connections now open)
  Wed Jul 24 11:41:50 [initandlisten] connection accepted from 127.0.0.1:39146 #100 (91 connections now open) 
  </code></pre>
  
  <p>I do not want mongodb to reach maxConnection limit and stuck one day, how could i handle this situation ?</p>
  
  <p>mongodb version:2.2</p>
  
  <p>Best Regards</p>
  
  <p>Thank you</p>