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From Joe Fernandez <>
Subject Re: Is it possible to run huge number of ActiveMQ brokers in a cluster ?
Date Thu, 10 Dec 2009 14:15:24 GMT

It is possible for one broker to handle many producers and consumers. And
given adequate resources and proper tuning, I think you'll be surprised as
to the number of consumers and producers one broker can handle. 


niko_dim wrote:
> Hi, 
>    I have an application which is running on different JVM-s. In some
> cases the application needs to send messages to all other applications
> which are running in this network. The load of these messages is not high
> but from time to time I can expect 15-20 messages/sec. I tried to use
> ActiveMQ clustering and started one ActiveMQ broker on each JVM. To
> simulated broadcast I am using a topic and on each JVM I have one producer
> and one consumer. The scenario works pretty well with 5 brokers running on
> 5 JVM-s but I do not know what will happened if I have to run 200 brokers
> running on 200 JVM-s. Is it possible to run 500 brokers ? I am not able to
> test such huge setup but need to know if such huge cluster is
> theoretically possible and what kind of problems I can expect ?
>   I also have a scenario where I need to send a message to a concrete JVM.
> For this scenario I am using a queue and  receivers with specific selector
> on each JVM. This again is working with 5 brokers but do not know what
> will happened if the number of brokers dramatically increases. 
>  It is possible to use only one broker and to remotely connect all
> producers and consumers to this broker. Do you think that this is a better
> setup ?
> Thanks for the help!
>   Nikodim.

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