mprusakov-rbc opened a new pull request #251: Remove garbage creation introduced by LOG4J2-2301 URL: https://github.com/apache/logging-log4j2/pull/251 After upgrading to 2.11.1 we have started seeing garbage being generated here: Stack Trace TLABs Total TLAB Size(bytes) Pressure(%) java.lang.ThreadLocal$ThreadLocalMap.set(ThreadLocal, Object) line: 481 10 3,638,864 56.192 java.lang.ThreadLocal$ThreadLocalMap.access$100(ThreadLocal$ThreadLocalMap, ThreadLocal, Object) line: 298 10 3,638,864 56.192 java.lang.ThreadLocal.setInitialValue() line: 184 10 3,638,864 56.192 java.lang.ThreadLocal.get() line: 170 10 3,638,864 56.192 org.apache.logging.log4j.core.async.AsyncLoggerConfig.log(LogEvent, LoggerConfig$LoggerConfigPredicate) line: 91 10 3,638,864 56.192 The purpose of this patch is to fix this.
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