title: can ehcache allow searching with diskstore?
body: <p>I tried using ehcache but the ehcache fails when I try to save data on disk. Gives </p>
  
  <blockquote>
    <p>net.sf.ehcache.config.InvalidConfigurationException: Search attributes
    not supported by this store type:
    net.sf.ehcache.store.DiskBackedMemoryStore .</p>
  </blockquote>
  
  <p>If my memory capacity of 200 Mb is exceeded then i cannot use the ehache in that case?</p>