Never mind, I found the answer. Excuse me. ________________________________ From: Donald Winston <satchwinston(a)yahoo.com&gt; To: rules-users(a)lists.jboss.org Sent: Sat, August 28, 2010 9:21:07 AM Subject: [rules-users] Drools rule engine pool Is it beneficial/necessary to pool rule engine sessions? If not then all I have to do is cache the KnowledgeBase and get a rule engine session whenever I need it?