title: how to set limitation in EntityManager (JPA) L1 or L2 cache size
body: <p>How to set L1 or L2 cache size-limitation. I concern of increasing the cache-size.
  One way is defining timeout for cache but i want to know is it possible to make a constraint for cache size or not?</p>
  
  <p>RGDS
  Navid</p>