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From cobrien <>
Subject Re: network of brokers question
Date Tue, 29 Jun 2010 20:15:00 GMT

Well the nice thing about ActiveMQ is almost everything is configurable. 
>From your description I gather you have a requirement for high availability. 
If this is the  only reason for using multiple brokers then using a
would be simplify things  for you.

ActiveMQ reference guide at

ami.rozen wrote:
> Hi
> We are using the activemq brokers in a high scale production environment.
> To prevent downtime we decided to configure the brokers to work as a
> network of brokers.
> There are 2 brokers which use a fixed list of urls to connect to each
> other.
> The clients and services use the failover url with a list of the available
> brokers.
> Currently we have 2 clients that connect to the brokers and we saw (in the
> brokers UI) that the messages aren't distributed in an even way.
> 1) Is this ok ? 
> 2) is there a configuration to distribute the messages evenly between the
> brokers ?
> 3) Is there an additional configuration which can bust the performance ?
> We don't mind losing messages if one of the brokers is down.
> The configuration we are using in the broker xml file is:
>         <networkConnectors>
>             <networkConnector name="default-dev13"
> uri="static://(tcp://host_name:61616)"/>
>         </networkConnectors>
>         <!-- The transport connectors ActiveMQ will listen to -->
>         <transportConnectors>
>             <transportConnector name="openwire"
> uri="tcp://localhost:61616?jms.prefetchPolicy.queuePrefetch=100&amp;jms.useAsyncSend=true&amp;wireFormat.maxInactivityDuration=0"/>
>             <transportConnector name="ssl" uri="ssl://localhost:61617"/>
>             <transportConnector name="stomp"
> uri="stomp://localhost:61613"/>
>             <transportConnector name="xmpp" uri="xmpp://localhost:61222"/>
>         </transportConnectors>
> Thank you
> Ami

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