[jira] [Commented] (AMQ-5942) make SimpleMessageGroupMapFactory the default

["Ben O'Day (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMQ-5942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14708119#comment-14708119 ] 

Ben O'Day commented on AMQ-5942:
--------------------------------

that said, after looking at the CachedMessageGroupMapFactory a little further, I can see that its using an LRUMap, so I suppose its not a hard limit...

either way, we were seeing some concurrency issues when using the default map, switching to the simple map seems to have resolved the issue...

> make SimpleMessageGroupMapFactory the default
> ---------------------------------------------
>
>                 Key: AMQ-5942
>                 URL: https://issues.apache.org/jira/browse/AMQ-5942
>             Project: ActiveMQ
>          Issue Type: Improvement
>            Reporter: Ben O'Day
>            Priority: Trivial
>
> the current default factory is the CachedMessageGroupMapFactory and has with a limit of 1024 keys by default.  
> Any reason the SimpleMessageGroupMapFactory can't be the default instead since it doesn't have a size limit?
> per http://scott.cranton.com/2010/09/activemq-message-groups.html



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