From f89bf4765f32d0778be73d74f5e3f96b90095f88 Mon Sep 17 00:00:00 2001
From: Bosanac Dejan <dejanb@apache.org>
Date: Wed, 9 Sep 2009 11:09:03 +0000
Subject: [PATCH] https://issues.apache.org/activemq/browse/AMQ-1894 -
 throughput configuration and changed default kahadb properties

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@812885 13f79535-47bb-0310-9956-ffa450edef68
---
 .../store/kahadb/MessageDatabase.java         |  2 +-
 .../src/sample-conf/activemq-scalability.xml  |  2 +-
 .../src/sample-conf/activemq-throughput.xml   | 74 +++++++++++++++++++
 3 files changed, 76 insertions(+), 2 deletions(-)
 create mode 100644 assembly/src/sample-conf/activemq-throughput.xml

diff --git a/activemq-core/src/main/java/org/apache/activemq/store/kahadb/MessageDatabase.java b/activemq-core/src/main/java/org/apache/activemq/store/kahadb/MessageDatabase.java
index 35b296cc88..dd1307936c 100644
--- a/activemq-core/src/main/java/org/apache/activemq/store/kahadb/MessageDatabase.java
+++ b/activemq-core/src/main/java/org/apache/activemq/store/kahadb/MessageDatabase.java
@@ -138,7 +138,7 @@ public class MessageDatabase {
     protected boolean deleteAllMessages;
     protected File directory;
     protected Thread checkpointThread;
-    protected boolean enableJournalDiskSyncs=true;
+    protected boolean enableJournalDiskSyncs=false;
     long checkpointInterval = 5*1000;
     long cleanupInterval = 30*1000;
     int journalMaxFileLength = Journal.DEFAULT_MAX_FILE_LENGTH;
diff --git a/assembly/src/sample-conf/activemq-scalability.xml b/assembly/src/sample-conf/activemq-scalability.xml
index a5848ae612..124c7e633d 100644
--- a/assembly/src/sample-conf/activemq-scalability.xml
+++ b/assembly/src/sample-conf/activemq-scalability.xml
@@ -60,7 +60,7 @@
             http://activemq.apache.org/kahadb.html
         -->
         <persistenceAdapter>
-            <kahaDB directory="${activemq.base}/data/kahadb" indexWriteBatchSize="1000" enableIndexWriteAsync="true" enableJournalDiskSyncs="false" />
+            <kahaDB directory="${activemq.base}/data/kahadb" enableIndexWriteAsync="true"/>
         </persistenceAdapter>
 
         <!-- 
diff --git a/assembly/src/sample-conf/activemq-throughput.xml b/assembly/src/sample-conf/activemq-throughput.xml
new file mode 100644
index 0000000000..62d0f81216
--- /dev/null
+++ b/assembly/src/sample-conf/activemq-throughput.xml
@@ -0,0 +1,74 @@
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+   
+    http://www.apache.org/licenses/LICENSE-2.0
+   
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<!--  
+    Tune ActiveMQ broker for high throughput of messages
+    Be sure to make necessary changes in your producer and consumer, since there you can make the most notable difference
+    
+    For more information, see:
+    http://activemq.apache.org/performance-tuning.html
+ -->
+<beans
+  xmlns="http://www.springframework.org/schema/beans"
+  xmlns:amq="http://activemq.apache.org/schema/core"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
+  http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">
+
+    <!-- Allows us to use system properties as variables in this configuration file -->
+    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
+
+    <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="${activemq.base}/data" useJmx="false" advisorySupport="false">
+
+        <!-- 
+            Use VM cursor
+            For more information, see:           
+            http://activemq.apache.org/message-cursors.html
+        -->
+        <destinationPolicy>
+            <policyMap>
+                <policyEntries>
+                    <policyEntry queue=">">
+                        <pendingQueuePolicy>
+                            <vmQueueCursor />
+                        </pendingQueuePolicy>
+                    </policyEntry>
+                </policyEntries>
+            </policyMap>
+        </destinationPolicy>
+
+        <!-- 
+            Use KahaDB for persistence
+            Tune it a bit so we minimize IO operations
+            For more information, see:            
+            http://activemq.apache.org/kahadb.html
+        -->
+        <persistenceAdapter>
+            <kahaDB directory="${activemq.base}/data/kahadb" indexWriteBatchSize="10000" />
+        </persistenceAdapter>
+
+        <!-- 
+            Use TCP transport 
+            For more information, see:            
+            http://activemq.apache.org/configuring-transports.html
+        -->
+        <transportConnectors>
+            <transportConnector name="openwire" uri="tcp://0.0.0.0:61616"/>
+        </transportConnectors>
+
+    </broker>
+    
+</beans>