[jira] [Updated] (ARTEMIS-3594) Broker balancer - allow a key transformer for a local-target-filter

["Gary Tully (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-3594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Tully updated ARTEMIS-3594:
--------------------------------
    Summary: Broker balancer - allow a key transformer for a local-target-filter  (was: Broker balancer - allow a transformer to coerce keys for a local-target-filter)

> Broker balancer - allow a key transformer for a local-target-filter
> -------------------------------------------------------------------
>
>                 Key: ARTEMIS-3594
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3594
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: balancer
>    Affects Versions: 2.19.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>            Priority: Major
>
> Add support of a CONSISTENT_HASH_MODULO key transformer that can be used for jms durable subs in a cluster. 
> Using a consistent hash on the clientID, that can be transformed into an int < numBrokers such that each value is mapped to a particular broker. 
> In a simple 2 broker cluster, this avoids the need for a durable subscriber to know about its broker, the balancer will only allow it to connect to the right one.



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