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Posted to log4j-dev@logging.apache.org by "Remko Popma (JIRA)" <ji...@apache.org> on 2016/02/23 14:53:18 UTC

[jira] [Created] (LOG4J2-1296) Add MessageFactory that reuses a cached Message instance

Remko Popma created LOG4J2-1296:
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             Summary: Add MessageFactory that reuses a cached Message instance
                 Key: LOG4J2-1296
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1296
             Project: Log4j 2
          Issue Type: New Feature
          Components: API
    Affects Versions: 2.5
            Reporter: Remko Popma
            Assignee: Remko Popma


As discussed in LOG4J2-1270, all current MessageFactory implementations create new temporary Message objects. A GC-free configuration needs a different MessageFactory that reuses Message instances.

When Messages are being reused, async logging components need to be aware of this and ensure the Message _content_  (rather than the Message instance itself) is passed to the background thread. However, Messages that are not reusable should be passed to the background thread unchanged.



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