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From activemqer <>
Subject Re: network of brokers
Date Thu, 28 Dec 2006 19:31:38 GMT

I'm trying to achieve some kind of a load balancing in our project. I don't
think that master/slave can solve that problem. It merely is a recovery
mechanism, which is good but not good enough for me.

Just to clarify the reason I'm posting this message. I read on the the doc
page that ActiveMQ supports distributed queues and the way to achieve that
is to use a network of brokers. Is this still true? Because I don't see
messages flow between brokers even when I subscribe to a queue on a broker
that does not currently have any messages. May be I'm just misinterpreting
the documentation.

John Heitmann wrote:
>> It sounds like you may want to try out the master/slave feature  
>> instead if you care about both 0 message loss during failure and that  
>> a message must be consumed once and only once.
> John
> On Dec 28, 2006, at 7:32 AM, activemqer wrote:
>> Hi,
>> I'm trying to cluster two brokers on two separate machines. I'd  
>> like to post
>> messages to broker A and the messages to flow to broker B so I have  
>> two
>> brokers with same set of messages. I'd like this to be able to  
>> failover from
>> one broker to the other in case of an outage.
>> The problem is I don't see the messages flow between the two  
>> brokers, they
>> stay in the broker A's persistant storage. I found in the  
>> documentation that
>> there is a way to enforce the message flow with the dynamicOnly set  
>> to false
>> but it did not make any difference. Am I missing anything?
>> I have the following network connectors configured:
>> * on host A:
>> <networkConnector name="A and B" uri="static://(tcp://B:61616)"
>> failover="true" dynamicOnly="false" networkTTL="10"/>
>> * on host B:
>> <networkConnector name="A and B" uri="static://(tcp://A:61616)"
>> failover="true" dynamicOnly="false" networkTTL="10"/>
>> One more detail, if it helps, when I'm posting messages to the  
>> queue, there
>> are no listeners on either broker.
>> Thanks.
>> -- 
>> View this message in context: 
>> brokers-tf2890777.html#a8076003
>> Sent from the ActiveMQ - User mailing list archive at

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