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Date: Mon, 1 Oct 2012 21:03:08 +1100 (NCT)
From: "Gary Tully (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: <343391779.147372.1349085788405.JavaMail.jiratomcat@arcas>
Subject: [jira] [Commented] (AMQ-2106) Allow broker to evenly distribute
 message groups among consumers
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    [ https://issues.apache.org/jira/browse/AMQ-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466715#comment-13466715 ] 

Gary Tully commented on AMQ-2106:
---------------------------------

to get load redistribution, it is necessary to close the groups to indicate to the broker when a batch is complete such that reassignment does not occur in the middle of a batch. http://activemq.apache.org/message-groups.html#MessageGroups-ClosingaMessageGroup

                
> Allow broker to evenly distribute message groups among consumers
> ----------------------------------------------------------------
>
>                 Key: AMQ-2106
>                 URL: https://issues.apache.org/jira/browse/AMQ-2106
>             Project: ActiveMQ
>          Issue Type: New Feature
>          Components: Broker
>    Affects Versions: 5.2.0
>            Reporter: Dejan Bosanac
>            Assignee: Gary Tully
>             Fix For: 5.x
>
>
> 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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