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From Christian Posta <>
Subject Re: Active MQ - Message Groups
Date Thu, 25 Jul 2013 18:10:18 GMT
strict message ordering is always going to be at odds with performance.

what you're trying to do might be better accomplished with:

On Wed, Jul 24, 2013 at 4:05 PM, MB <> wrote:

> After reading ActiveMQ Message Groups feature
> (, I'm a little confused
> about how it works in a clustered environment.
> The basic premise as far as I can see is that messages of a particular type
> (defined by the JMSXGroupID, set in a message) are all sent to a specific
> consumer.
> If I have 2 clients/consumers that I want to be connected to the broker to
> provide both resiliency and performance, using message groups means, all
> messages of a certain type will be pinned to one of the two consumers. If
> that consumer goes down, messages of that type will then be pinned to
> another consumer. Whilst this satisfies the resiliency criteria, this
> creates redundancy, in that one consumer is doing nothing most of the time
> &
> thus not helping to improve performance.
> Does this mean when choosing Message Groups, you have to be aware that you
> are sacrificing performance by being able to load balance a broker across
> multiple consumers for the benefit of providing guaranteed processing order
> of messages of a particular type?
> --
> View this message in context:
> Sent from the ActiveMQ - User mailing list archive at

*Christian Posta*
twitter: @christianposta

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