Removed eager join to child associations after checking that performance is not hit by using proxies

Cache size adjustments to keep association (set and map) caches down to a reasonable level after memory issues found during benchmarking


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2972 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/domain/hibernate/Node.hbm.xml

@@ -100,8 +100,8 @@
       <set
             name="childAssocs"
             inverse="true"
-            lazy="false"
-            fetch="join"
+            lazy="true"
+            fetch="select"
             cascade="none"
             optimistic-lock="true" >
          <key column="parent_node_id" />