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https://issues.apache.org/jira/browse/QPIDJMS-430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16740594#comment-16740594
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ASF GitHub Bot commented on QPIDJMS-430:
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franz1981 commented on issue #26: QPIDJMS-430 Lock-Free FifoMessageQueue
URL: https://github.com/apache/qpid-jms/pull/26#issuecomment-453601630
@tabish121 I haven't had the chance to measure the gains now that
https://github.com/apache/activemq-artemis/pull/2467 has been merged and sadly
I don't have such a fast box ATM, but I would try it and see if it can make any
difference.
I can surely avoid the padding even if it will lower the performance, given
that it would be anyway better then the orignal version, that was locked.
@gemmellr @tabish121 My only worry is that the original version was using a
resizable q of messages while this version is quite strict and never grows
exceeding a configured capacity ie `prefetchSize`, I hope it is not a
limitation, given that it would (yield)wait on offer side until one slot became
available.
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> Lock-Free FifoMessageQueue
> --------------------------
>
> Key: QPIDJMS-430
> URL: https://issues.apache.org/jira/browse/QPIDJMS-430
> Project: Qpid JMS
> Issue Type: Improvement
> Reporter: Francesco Nigro
> Priority: Minor
>
> A lock-free single producer multi consumer double ended queue would allow for
> the common cases (enqueue/dequeue) to benefit from a better throughput and
> lower latencies while allowing busy spin waits to benefits from some
> additional boost
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