I have answered same post on below threads: http://forums.terracotta.org/forums/posts/list/6184.page#31606 Please do not post same issue at two place. I am again posting the answer below: Databases (and other SORs) weren't built with caching outside of the database in mind, and therefore don't normally come with any default mechanism for notifying external processes when data has been updated or modified. Use one ...