diff --git a/assembly/src/sample-conf/activemq-jdbc.xml b/assembly/src/sample-conf/activemq-jdbc.xml
index 8bc77c9ec6..0aad6be6ef 100644
--- a/assembly/src/sample-conf/activemq-jdbc.xml
+++ b/assembly/src/sample-conf/activemq-jdbc.xml
@@ -32,7 +32,7 @@
   
   <broker useJmx="false" brokerName="jdbcBroker" xmlns="http://activemq.apache.org/schema/core">
     <persistenceAdapter>
-       <journaledJDBC dataDirectory="${activemq.base}/data" dataSource="#derby-ds"/>
+       <jdbcPersistenceAdapter dataDirectory="${activemq.base}/data" dataSource="#derby-ds"/>
     </persistenceAdapter>
 
     <transportConnectors>
diff --git a/assembly/src/sample-conf/activemq-throughput.xml b/assembly/src/sample-conf/activemq-throughput.xml
index 2538672707..26cc0237ba 100644
--- a/assembly/src/sample-conf/activemq-throughput.xml
+++ b/assembly/src/sample-conf/activemq-throughput.xml
@@ -62,7 +62,7 @@
             http://activemq.apache.org/kahadb.html
         -->
         <persistenceAdapter>
-            <kahaDB directory="${activemq.base}/data/kahadb" enableJournalDiskSyncs="false" indexWriteBatchSize="10000" />
+            <kahaDB directory="${activemq.base}/data/kahadb" enableJournalDiskSyncs="false" indexWriteBatchSize="10000" indexCacheSize="1000"/>
         </persistenceAdapter>
 
         <!--