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https://issues.apache.org/jira/browse/ARTEMIS-366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Bertram resolved ARTEMIS-366.
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Resolution: Not A Problem
This implementation has been in place for almost a decade and hasn't been a
problem so far. Efficiency could be improved, but the existing solution is
simple and effective so I'm closing this. Please re-open if this becomes a
problem.
> MQTT Retain Messages use message.copy()
> ---------------------------------------
>
> Key: ARTEMIS-366
> URL: https://issues.apache.org/jira/browse/ARTEMIS-366
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Reporter: Martyn Taylor
> Assignee: Martyn Taylor
> Priority: Major
>
> The MQTT Retain implementation uses special address to handling retained
> messages. Any retained message received will be forwarded to the appropriate
> address and a copy sent to the special retain address.
> Since we are not uses pooled buffers, the buffer allocation for copies of
> retained messages can be high. We should try to use a message reference
> instead of copy.
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