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From ktecho <>
Subject Re: High Availability and Load Balancing
Date Mon, 19 Nov 2007 19:19:23 GMT

Thanks, Joe. Only a few more questions:

Can't I have brokers that are all of them "Master" brokers? I need all of
them to be active, but provide a backup for the other brokers.

So if I have:
- Broker-1
- Broker-2
- Broker-3

All the 3 brokers are active and receiving messages from producers, and
dispatching them to consumers.

If broker-2 fails, broker-1 and broker-3 will remain active and dispatch the
broker-2's messages to consumers. That way I don't loose any message.

Can this be done?

Thanks a lot,

Luis Miguel García

ttmdev wrote:
> ActiveMQ gives you this capability via the Pure, Shared File System, or
> JDBC Master/Slave configurations.
> These configurations allow you to set up a network of brokers that is
> comprised of 'master' brokers, where each master is backed up by one or
> more passive 'slave' brokers. If a master were to fail, one of the slaves
> would jump into action and take over for the master. Your clients
> (producers, consumers) can be configured to failover to the slave
> if-and-when the master were to fail. 
> Brokers can balance the message load across other brokers that have
> appropriate consumers and consumers can be clustered so that you can
> further balance the load across multiple consumers.    
> Hope this helps - Joe
> ktecho wrote:
>> Hi,
>> I have been reading the ActiveMQ documentation but something isn't
>> entirelly clear to me.
>> I need to setup a network of brokers with the following requirements:
>> - I need all of them to be able to attend requests, to provide Load
>> Balancing between all the brokers / servers.
>> - I need that if one of them fails, its messages can be consumed by other
>> brokers.
>> Can this be done actually with ActiveMQ? If not, what's the closer
>> approach to this scenary I have in mind?
>> Thanks a lot in advance,
>> Luis Miguel García

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