Try to switch to ehcache. I hear some ratings to the slowness of jcs cache
(the default cache system in in 2.1.5.1). BTW in 2.1.6 I think the default
cache system is ehcache, one more reason to move to 2.1.6 ;_).
he's already using whirlycache, which is fastest ;)
http://whirlycache.dev.java.net/
-pete
