Remko Popma created LOG4J2-772:
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Summary: Performance enhancement: ParameterizedMessage should not
take String snapshots of its parameters in constructor
Key: LOG4J2-772
URL: https://issues.apache.org/jira/browse/LOG4J2-772
Project: Log4j 2
Issue Type: Improvement
Components: API
Affects Versions: 2.0.1, 2.0
Reporter: Remko Popma
Discovered during investigation for LOG4J2-763, {{ParameterizedMessage}}
currently initializes its {{String[] stringArgs}} field in the constructor.
This may be wasted work if the message is not used, for example because the log
level is below the filter threshold.
The {{stringArgs}} field should be initialized in the {{getFormattedString}}
method, not earlier.
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