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From "Gary Tully (JIRA)" <>
Subject [jira] [Commented] (AMQ-5137) make networkConnector decreaseNetworkConsumerPriority="true" the default
Date Mon, 07 Apr 2014 10:50:15 GMT


Gary Tully commented on AMQ-5137:

the need is simply that most folks do not change the defaults. So in a mesh topology they
get unnecessary hops and possibly isolated messages (due to messageTTL being exceeded).

When loadbalancing, local consumers get priority, if they are slow for whatever reason, network
consumers get the additional load. That seems ideal. As in just in time loadbalancing. The
flag just makes network consumers lower in the dispatch order, when necessary they will get
load. What is see is that most folks ignore the additional persistence overhead involved in
a network hop.

While I agree some may see a change, I think in the main it will be a positive one.

> make networkConnector decreaseNetworkConsumerPriority="true" the default
> ------------------------------------------------------------------------
>                 Key: AMQ-5137
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Improvement
>    Affects Versions: 5.9.0
>            Reporter: Gary Tully
>              Labels: mesh, networkConnectors
>             Fix For: 5.10.0
> It makes sense to bias local consumers, to avoid hops where possible.

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