No problem:

<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
http://mortbay.com/schemas/jetty/1.0 
  http://jetty.mortbay.org/jetty.xsd";>

  <!-- Allows us to use system properties as variables in this configuration
file -->
  <bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="location" value="file:/var/amq/broker.properties" />
  </bean>
    
  <!-- 
 
******************************************************************************************************************
  ** ActiveMQ broker
 
******************************************************************************************************************
 
  -->
  <broker id="broker" useJmx="true" brokerName="broker" start="true" 
          xmlns="http://activemq.apache.org/schema/core"; 
          dataDirectory="/var/amq" advisorySupport="false" 
          persistenceAdapter="#store">
    
    <destinationPolicy>
      <policyMap>
        <policyEntries>
          <policyEntry queue=">" memoryLimit="64 mb"
producerFlowControl="false" /> 
          <policyEntry topic=">" memoryLimit="64 mb"
producerFlowControl="true" />
        </policyEntries>
      </policyMap>
    </destinationPolicy>
    
    <managementContext>
      <managementContext useMBeanServer="true"
                         jmxDomainName="org.apache.activemq"
                         createMBeanServer="true"
                         createConnector="false"
                         connectorPort="1100"
                         connectorPath="/jmxrmi"/>
    </managementContext>
    
    <persistenceAdapter id="store">
      <kahaDB enableJournalDiskSyncs="false" 
              journalMaxFileLength="32mb"
              enableIndexWriteAsync="true"
              directory="/var/amq/broker"
              indexWriteBatchSize="1000" />
    </persistenceAdapter>
    
    <systemUsage>
      <systemUsage>
        <memoryUsage>
          <memoryUsage limit="512 mb" />
        </memoryUsage>
      </systemUsage>
    </systemUsage>

    <transportConnectors>
      <transportConnector name="cearchive" uri="tcp://0.0.0.0:61616" />
    </transportConnectors>
  </broker>
   
  <!-- Here we start an embedded webserver for the admin console -->
  <jetty xmlns="http://mortbay.com/schemas/jetty/1.0";>
    <connectors>
      <nioConnector port="8161"/>
    </connectors>
    <handlers>
      <webAppContext contextPath="/admin"
resourceBase="${activemq.base}/webapps/admin" logUrlOnStart="true"/>
    </handlers>
  </jetty>
</beans>



rajdavies wrote:
> 
> can you send your broker config ?
> On 17 Feb 2010, at 12:38, Maarten_D wrote:
> 
>>
>> The topics and queues are filled using a Spring JMSTemplate that has  
>> it's own
>> connection factory, and dequeuing is done by message listeners that  
>> all have
>> their own connection. So everything should have its own connection,  
>> let
>> alone session.
>>
>> I'll do another run on debug and see what it turns up.
>>
>>
>> Adrian A wrote:
>>>
>>> you are running separate sessions for each of those dequeue/enqueue  
>>> stats?
>>>
>>> in my flow control tests even when one particular session was hung  
>>> other
>>> sessions to the same broker was fine, just when I overwhelmed  
>>> broker and
>>> GC / disk checkpointing occurred that it got really bad.
>>>
>>> have you turned on debugging as that although verbose is a wealth of
>>> information!
>>>
>>>
>>>
>>> Maarten_D wrote:
>>>>
>>>> Hi Adrian, thanks for your response.
>>>>
>>>> I'm currently running tests where I have a very fast producer and a
>>>> relatively slow consumer. The producer publishes persistent  
>>>> messages to a
>>>> topic, where the enqueue and dequeue count diverge fairly rapidly  
>>>> to a
>>>> difference of around 80,000 messages. The producer then gets  
>>>> whacked and
>>>> the enqueue graph in visualvm completely levels off. This is more  
>>>> or less
>>>> expected, as I've turned on producerFlowControl for topics.  
>>>> However, the
>>>> entire broker stalls. I have several queues that are filled and  
>>>> emptied
>>>> at the same time as the topic, and their dequeue/enqueue stats  
>>>> flatline
>>>> as well, even though flow control shouldn't apply to them. Thats  
>>>> why I
>>>> was interested to find out if you'd discovered some kind of fresh  
>>>> angle.
>>>> Regards,
>>>> Maarten
>>>>
>>>
>>>
>>
>> -- 
>> View this message in context:
>> http://old.nabble.com/Slow-sending-of-messages-tp26849964p27623064.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
> 
> Rob Davies
> http://twitter.com/rajdavies
> I work here: http://fusesource.com
> My Blog: http://rajdavies.blogspot.com/
> I'm writing this: http://www.manning.com/snyder/
> 
> 
> 
> 
> 
> 
> 

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