diff --git a/config/alfresco/cache-context.xml b/config/alfresco/cache-context.xml
index dd1b190301..daaeb748c2 100644
--- a/config/alfresco/cache-context.xml
+++ b/config/alfresco/cache-context.xml
@@ -33,7 +33,7 @@
                <value>nullPermissionCache</value>
             </property>
             <property name="maxElementsInMemory">
-               <value>10000</value>
+               <value>10000</value> <!-- approx 8MB memory required -->
             </property>
             <property name="overflowToDisk">
                <value>false</value>
@@ -74,7 +74,7 @@
                <value>userToAuthorityCache</value>
             </property>
             <property name="maxElementsInMemory">
-               <value>10000</value>
+               <value>10000</value>  <!-- approx 2MB memory required -->
             </property>
             <property name="overflowToDisk">
                <value>false</value>
@@ -115,7 +115,7 @@
                <value>permissionsAccessCache</value>
             </property>
             <property name="maxElementsInMemory">
-               <value>10000</value>
+               <value>50000</value>  <!-- approx 20MB memory required -->
             </property>
             <property name="overflowToDisk">
                <value>false</value>
@@ -156,7 +156,7 @@
                <value>nodeOwnerCache</value>
             </property>
             <property name="maxElementsInMemory">
-               <value>10000</value>
+               <value>20000</value> <!-- approx 20MB memory required -->
             </property>
             <property name="overflowToDisk">
                <value>false</value>
diff --git a/config/ehcache.xml b/config/ehcache.xml
index f4cc598289..82b0826554 100644
--- a/config/ehcache.xml
+++ b/config/ehcache.xml
@@ -18,85 +18,85 @@
         overflowToDisk="false"/>
     <cache 
         name="org.hibernate.cache.UpdateTimestampsCache" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="5000"  <!-- approx 1MB memory required -->
         eternal="true" 
         overflowToDisk="false"/>
     <!-- Nodes: Most other objects are cached as a ratio against the number of nodes cached -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl" 
-        maxElementsInMemory="100000" 
+        maxElementsInMemory="10000" <!-- approx 40MB memory required -->
         eternal="true" 
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:1 node:node status -->
+    <!-- node:node status -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeStatusImpl" 
-        maxElementsInMemory="100000" 
+        maxElementsInMemory="5000"  <!-- approx 20MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:5 node:aspects -->
+    <!-- node:aspects -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.aspects" 
-        maxElementsInMemory="500000" 
+        maxElementsInMemory="10000"   <!-- approx 40MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:10 node:properties -->
+    <!-- node:properties -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.properties" 
-        maxElementsInMemory="1000000" 
+        maxElementsInMemory="10000"    <!-- approx 50MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:1 node:child assocs set -->
+    <!-- node:child assocs set -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.childAssocs" 
-        maxElementsInMemory="100000" 
+        maxElementsInMemory="25000"    <!-- approx 50MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:1 node:parent assocs set -->
+    <!-- node:parent assocs set -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.parentAssocs" 
-        maxElementsInMemory="100000"
+        maxElementsInMemory="10000"    <!-- approx 40MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:5 node:child assocs -->
+    <!-- node:child assocs -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.ChildAssocImpl" 
-        maxElementsInMemory="100000"
+        maxElementsInMemory="25000"    <!-- approx 40MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:1 node:source node assocs set -->
+    <!-- node:source node assocs set -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.sourceNodeAssocs" 
-        maxElementsInMemory="10000"
+        maxElementsInMemory="5000"     <!-- approx 20MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
         overflowToDisk="false" 
         />
-    <!-- 1:1 node:target node assocs set -->
+    <!-- node:target node assocs set -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.targetNodeAssocs" 
-        maxElementsInMemory="10000" 
+        maxElementsInMemory="5000"     <!-- approx 20MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -105,7 +105,7 @@
     <!-- general use node associations are not common  -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeAssocImpl" 
-        maxElementsInMemory="10000" 
+        maxElementsInMemory="1000" 
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -132,7 +132,7 @@
     <!-- applied patches -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.AppliedPatchImpl" 
-        maxElementsInMemory="100" 
+        maxElementsInMemory="100"          <!-- approx 0.1MB memory required -->
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="60" 
@@ -141,32 +141,32 @@
     <!-- Permission related caches -->
     <cache 
         name="org.alfresco.repo.security.permissions.impl.hibernate.RecipientImpl" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="10000"        <!-- approx 40MB memory required -->
         eternal="true" 
         overflowToDisk="false"/>
     <cache 
         name="org.alfresco.repo.security.permissions.impl.hibernate.PermissionReferenceImpl" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="500"          <!-- approx 2MB memory required -->
         eternal="true" 
         overflowToDisk="false"/>
     <cache 
         name="org.alfresco.repo.security.permissions.impl.hibernate.PermissionEntryImpl" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="25000"        <!-- approx 35MB memory required -->
         eternal="true" 
         overflowToDisk="false"/>
     <cache 
         name="org.alfresco.repo.security.permissions.impl.hibernate.NodePermissionEntryImpl" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="10000"        <!-- approx 40MB memory required -->
         eternal="true" 
         overflowToDisk="false"/>
     <cache 
         name="org.alfresco.repo.security.permissions.impl.hibernate.NodePermissionEntryImpl.permissionEntries" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="10000"       <!-- approx 40MB memory required -->
         eternal="true" 
         overflowToDisk="false"/>
     <cache 
         name="org.alfresco.repo.security.permissions.impl.hibernate.RecipientImpl.externalKeys" 
-        maxElementsInMemory="5000" 
+        maxElementsInMemory="5000"
         eternal="true" 
         overflowToDisk="false"/>
 </ehcache>
\ No newline at end of file