title: Tomcat 8 has warning about not able to free cache of background cache eviction process
body: <p>I'm developing an app on spring mvc and sometime i see this message in console:</p>
  
  <blockquote>
    <p>The background cache eviction process was unable to free [10] percent of the cache for Context [/myApp] - consider increasing the maximum size of the cache. After eviction approximately [9,501] KB of data remained in the cache.</p>
  </blockquote>
  
  <p>Why and What should i do now?</p>
  
  <p>Thanks all</p>