[jira] [Created] (LOG4J2-2752) Reduce memory overhead using thread locals with non-reusable messages

["Carter Kozak (Jira)" <ji...@apache.org>]

Carter Kozak created LOG4J2-2752:
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             Summary: Reduce memory overhead using thread locals with non-reusable messages
                 Key: LOG4J2-2752
                 URL: https://issues.apache.org/jira/browse/LOG4J2-2752
             Project: Log4j 2
          Issue Type: Improvement
    Affects Versions: 2.13.0
            Reporter: Carter Kozak


Using ParameterizedMessageFactory (non-reusable) with thread locals for asynchronous logging results in unused object parameter arrays and empty StringBuilder buffers.
We can update RingBufferLogEvent and MutableLogEvent to create both the StringBuilder buffer and parameter array lazily in order to avoid the memory overhead entirely when reusable messages are not used.



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