ehcache.xml

<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="ehcache.xsd" updateCheck="true"
        monitoring="autodetect" dynamicConfig="true">

   <!-- Sample cache named cache1
   This cache contains a maximum in memory of 10000 elements, and will expire
   an element if it is idle for more than 5 minutes and lives for more than
   10 minutes.

   If there are more than 10000 elements it will overflow to the
   disk cache, which in this configuration will go to wherever java.io.tmp is
   defined on your system. On a standard Linux system this will be /tmp" -->
   <defaultCache name="cache1"
          maxEntriesLocalHeap="10000"
          maxEntriesLocalDisk="1000"
          eternal="false"
          timeToIdleSeconds="300" timeToLiveSeconds="600"
          memoryStoreEvictionPolicy="LFU"
          transactionalMode="off">
       <persistence strategy="localTempSwap" />
   </defaultCache>
   <cache name="cacheDepartments"
                     maxEntriesLocalHeap="3000"
                     eternal="false"
                     timeToIdleSeconds="300" timeToLiveSeconds="600"
                     memoryStoreEvictionPolicy="LFU"
                     transactionalMode="off">
       <persistence strategy="localTempSwap" />
   </cache>
</ehcache>