[jira] [Created] (ARTEMIS-1356) Avoid allocations and atomic operations to recognize handler's thread

["Francesco Nigro (JIRA)" <ji...@apache.org>]

Francesco Nigro created ARTEMIS-1356:
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             Summary: Avoid allocations and atomic operations to recognize handler's thread
                 Key: ARTEMIS-1356
                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1356
             Project: ActiveMQ Artemis
          Issue Type: Improvement
          Components: Broker
            Reporter: Francesco Nigro
            Assignee: Francesco Nigro


The current way to recognize the handler's thread is using heavyweight operations (allocations + atomic set/get) that limit some compiler optimizations on the (core) packet handling path.
The same logic can be achieved using only a ThreadLocal map and a cached marker instance.



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