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https://issues.apache.org/jira/browse/ARTEMIS-2170?focusedWorklogId=185523&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-185523
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ASF GitHub Bot logged work on ARTEMIS-2170:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Jan/19 00:42
            Start Date: 16/Jan/19 00:42
    Worklog Time Spent: 10m 
      Work Description: michaelandrepearce commented on pull request #2427: 
ARTEMIS-2170 Optimized CoreMessage's checkProperties and 
cleanupInternalProperties methods
URL: https://github.com/apache/activemq-artemis/pull/2427#discussion_r248116612
 
 

 ##########
 File path: 
artemis-core-client/src/main/java/org/apache/activemq/artemis/core/message/impl/CoreMessage.java
 ##########
 @@ -52,6 +52,11 @@
  *  consumers */
 public class CoreMessage extends RefCountMessage implements ICoreMessage {
 
+   // We use properties to establish routing context on clustering.
+   // However if the client resends the message after receiving, it needs to 
be removed
+   private static final Predicate<SimpleString> 
INTERNAL_PROPERTY_NAMES_CLEANUP_FILTER =
 
 Review comment:
   This still need to be addressed
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 185523)
    Time Spent: 0.5h  (was: 20m)

> 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: 0.5h
>  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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