From 5e9c4c279eca9a92cbc535a13864d807024cbb47 Mon Sep 17 00:00:00 2001
From: Derek Hulley <derek.hulley@alfresco.com>
Date: Wed, 24 May 2006 16:32:42 +0000
Subject: [PATCH] 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
---
 config/alfresco/ehcache-default.xml           | 20 +++++++++----------
 .../repo/domain/hibernate/Node.hbm.xml        |  4 ++--
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/config/alfresco/ehcache-default.xml b/config/alfresco/ehcache-default.xml
index c19a47f37b..be8b13c6b0 100644
--- a/config/alfresco/ehcache-default.xml
+++ b/config/alfresco/ehcache-default.xml
@@ -52,7 +52,7 @@
     <!-- approx 25MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.aspects" 
-        maxElementsInMemory="20000"
+        maxElementsInMemory="10000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -61,7 +61,7 @@
     <!-- approx 50MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.properties" 
-        maxElementsInMemory="50000"
+        maxElementsInMemory="10000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -70,7 +70,7 @@
     <!-- approx 50MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.childAssocs" 
-        maxElementsInMemory="50000"
+        maxElementsInMemory="10000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -79,7 +79,7 @@
     <!-- approx 50MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.parentAssocs" 
-        maxElementsInMemory="50000"
+        maxElementsInMemory="10000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -88,7 +88,7 @@
     <!-- approx 70MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.ChildAssocImpl" 
-        maxElementsInMemory="50000"
+        maxElementsInMemory="200000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -97,7 +97,7 @@
     <!-- approx 20MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.sourceNodeAssocs" 
-        maxElementsInMemory="20000"
+        maxElementsInMemory="10000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -106,7 +106,7 @@
     <!-- approx 20MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.NodeImpl.targetNodeAssocs" 
-        maxElementsInMemory="20000"
+        maxElementsInMemory="10000"
         eternal="true"
         timeToIdleSeconds="0" 
         timeToLiveSeconds="0" 
@@ -153,19 +153,19 @@
     <!-- approx 10MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.DbAccessControlListImpl" 
-        maxElementsInMemory="10000"        
+        maxElementsInMemory="1000"        
         eternal="true" 
         overflowToDisk="false"/>
     <!-- approx 10MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.DbAccessControlListImpl.entries" 
-        maxElementsInMemory="10000"        
+        maxElementsInMemory="1000"        
         eternal="true" 
         overflowToDisk="false"/>
     <!-- approx 30MB memory required -->
     <cache 
         name="org.alfresco.repo.domain.hibernate.DbAccessControlEntryImpl" 
-        maxElementsInMemory="25000"        
+        maxElementsInMemory="5000"        
         eternal="true" 
         overflowToDisk="false"/>
     <!-- approx 1MB memory required -->
diff --git a/source/java/org/alfresco/repo/domain/hibernate/Node.hbm.xml b/source/java/org/alfresco/repo/domain/hibernate/Node.hbm.xml
index c832657637..d194adeb4d 100644
--- a/source/java/org/alfresco/repo/domain/hibernate/Node.hbm.xml
+++ b/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" />