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https://issues.apache.org/jira/browse/ARTEMIS-2062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598661#comment-16598661
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Robbie Gemmell commented on ARTEMIS-2062:
-----------------------------------------
Tim and I thought it could wait but thats fine...just need to update the JIRAs
also. Updating them would be a easier if you didn't close (i.e just resolve)
them until they are actually released.
> AMQP: Reduce lock contention and allocations on message processing
> -------------------------------------------------------------------
>
> Key: ARTEMIS-2062
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2062
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: AMQP
> Affects Versions: 2.6.2
> Reporter: Timothy Bish
> Assignee: Timothy Bish
> Priority: Minor
> Fix For: 2.7.0, 2.6.3
>
>
> On each inbound message the current AMQP handler attempts to top off credit
> for the receiver which results in a new runnable being created to hand off to
> the PagingManager or PagingStore and that code will result in a lock / unlock
> on the connection lock regardless of credit needing to be offered. The
> handler can tell if the credit is below the min credits threshold before ever
> needing to fire this action and can avoid that work for each message by only
> firing off the credit offering code when the credit is known to be low.
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