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https://issues.apache.org/activemq/browse/AMQ-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=53475#action_53475
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Piotr Bzdyl commented on AMQ-2106:
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This looks great!
But the implementation would need to care to preserve message ordering. So
before redistributing a group (because new consumers connected) should be made
after the last message consumed from the group by the current consumer has been
acknowledged. Otherwise, reassigning group to another consumer might cause the
first message send to it to be processed before the last message sent to the
previous consumer.
> Allow broker to evenly distribute message groups among consumers
> ----------------------------------------------------------------
>
> Key: AMQ-2106
> URL: https://issues.apache.org/activemq/browse/AMQ-2106
> Project: ActiveMQ
> Issue Type: New Feature
> Components: Broker
> Affects Versions: 5.2.0
> Reporter: Dejan Bosanac
> Assignee: Dejan Bosanac
>
> Currently the broker will not reassign message groups if new consumers
> becomes available (or existing ones are removed). We could allow the broker
> to try reassign the message groups when consumers are added/removed so that
> we have a even distribution among consumers.
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