log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
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<Configuration status="INFO">
    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout charset="UTF-8" pattern="%d - %c -%-4r [%t] %-5p %x - %m%n"/>
        </Console>
    </Appenders>
    <Loggers>
        <logger name="org.eclipse.jetty" level="INFO"/>
        <logger name="org.apache.zookeeper" level="INFO"/>
        <logger name="org.elasticsearch.common.network.IfConfig" level="INFO"/>
        <logger name="io.grpc.netty" level="INFO"/>
        <logger name="org.apache.skywalking.oap.server.receiver.istio.telemetry" level="DEBUG"/>
        <Root level="INFO">
            <AppenderRef ref="Console"/>
        </Root>
    </Loggers>
</Configuration>