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https://issues.apache.org/jira/browse/QPIDJMS-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16864198#comment-16864198
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Francesco Nigro commented on QPIDJMS-461:
-----------------------------------------
This is the allocation flamgraphs that shows (in violet) the StringBuilder
instances created:
!screenshot-1.png!
> JmsMessageIDBuilder::createMessageID can save StringBuilder allocations
> -----------------------------------------------------------------------
>
> Key: QPIDJMS-461
> URL: https://issues.apache.org/jira/browse/QPIDJMS-461
> Project: Qpid JMS
> Issue Type: Improvement
> Affects Versions: 0.44.0
> Reporter: Francesco Nigro
> Priority: Minor
> Attachments: screenshot-1.png
>
>
> JmsMessageIDBuilder::createMessageID doesn't seem able to correctly perform
> escape analysis on StringBuilder, allocating many of them.
> The intermediate StringBuilder could be saved into a thread local pool
> instead, saving unnececessary allocations.
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