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https://issues.apache.org/jira/browse/ARTEMIS-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750864#comment-16750864
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ASF subversion and git services commented on ARTEMIS-2170:
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Commit 6446d01a151a6e73b359c356b44fcf447961bd5a in activemq-artemis's branch
refs/heads/master from Francesco Nigro
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=6446d01 ]
ARTEMIS-2170 Optimized CoreMessage check and cleanup methods
Any checkProperties();<usage of this.properties> pattern has been
replaced by an atomic checkProperties().<usage of returned properties>
to help both performance and consistency.
The cleanup is now performed into CoreTypedProperties both
for performance reasons (avoid lock/unlock many times)
and consistency, given that the operation is now atomic.
> Optimized CoreMessage's checkProperties and cleanupInternalProperties methods
> -----------------------------------------------------------------------------
>
> Key: ARTEMIS-2170
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2170
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: Broker
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Minor
> Time Spent: 6h 50m
> Remaining Estimate: 0h
>
> CoreMessage::checkProperties perform too many volatile read/write and has a
> too big body just to handle exceptional cases, while
> cleanupInternalProperties is called on the hot path of session send, but is
> performing too many synchronized operations and loopup on TypedProperties.
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