springboot使用log4j2异步日志提升性能的实现方式

<!-- Needed for Async Logging with Log4j 2 -->
<dependency>
    <groupId>com.lmax</groupId>
    <artifactId>disruptor</artifactId>
    <version>3.3.6</version>
</dependency>

@SpringBootApplication
public class BootLaunchApplication {
   public static void main(String[] args) {
      //下面语句使得Log4j2日志输出使用异步处理，减小输出日志对性能的影响
      System.setProperty("Log4jContextSelector",
                  "org.apache.logging.log4j.core.async.AsyncLoggerContextSelector");
      springApplication.run(BootLaunchApplication.class, args);
   }
}

java -jar -DLog4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector boot-launch-1.0.jar

<Loggers>
        <!-- 针对com.zimug.boot.launch包下面的日志采用异步日志 -->
        <AsyncLogger name="com.zimug.boot.launch" level="debug" additivity="false">
            <AppenderRef ref="CONSOLE" level="debug"/>
            <AppenderRef ref="FILE-APPENDER" level="info"/>
        </AsyncLogger>

        <!-- 系统默认日志设置 -->
        <Root level="debug">
            <AppenderRef ref="CONSOLE" level="debug"/>
            <AppenderRef ref="FILE-APPENDER" level="info"/>
        </Root>
</Loggers>