log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
    <Appenders>
        <Console name="STDOUT" target="SYSTEM_OUT">
            <PatternLayout pattern="%d{ISO8601} [%-5p] %t %c - %m%n"/>
        </Console>
        <RollingFile
                name="access_log"
                fileName="${env:LOG_LOCATION:-logs}/access_log.log"
                filePattern="${env:LOG_LOCATION:-logs}/access_log.%d{dd-MMM}.log.gz">
            <PatternLayout pattern="%d{ISO8601} - %m%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="100 MB"/>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy max="5"/>
        </RollingFile>
        <RollingFile
                name="model_log"
                fileName="${env:LOG_LOCATION:-logs}/model_log.log"
                filePattern="${env:LOG_LOCATION:-logs}/model_log.%d{dd-MMM}.log.gz">
            <PatternLayout pattern="%d{ISO8601} [%-5p] %t %c - %m%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="100 MB"/>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy max="5"/>
        </RollingFile>
        <RollingFile
                name="model_metrics"
                fileName="${env:METRICS_LOCATION:-logs}/model_metrics.log"
                filePattern="${env:METRICS_LOCATION:-logs}/model_metrics.%d{dd-MMM}.log.gz">
            <PatternLayout pattern="%d{ISO8601} - %m%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="100 MB"/>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy max="5"/>
        </RollingFile>
        <RollingFile
                name="mms_log"
                fileName="${env:LOG_LOCATION:-logs}/mms_log.log"
                filePattern="${env:LOG_LOCATION:-logs}/mms_log.%d{dd-MMM}.log.gz">
            <PatternLayout pattern="%d{ISO8601} [%-5p] %t %c - %m%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="100 MB"/>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy max="5"/>
        </RollingFile>
        <RollingFile
                name="mms_metrics"
                fileName="${env:METRICS_LOCATION:-logs}/mms_metrics.log"
                filePattern="${env:METRICS_LOCATION:-logs}/mms_metrics.%d{dd-MMM}.log.gz">
            <PatternLayout pattern="%d{ISO8601} - %m%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="100 MB"/>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy max="5"/>
        </RollingFile>
    </Appenders>
    <Loggers>
        <Logger name="ACCESS_LOG" level="info">
            <AppenderRef ref="access_log"/>
        </Logger>
        <Logger name="io.netty" level="error"/>
        <Logger name="MODEL_LOG" level="all">
            <AppenderRef ref="model_log"/>
        </Logger>
        <Logger name="MODEL_METRICS" level="all">
            <AppenderRef ref="model_metrics"/>
        </Logger>
        <Logger name="org.apache" level="off"/>
        <Logger name="com.amazonaws.ml.mms" level="debug">
            <AppenderRef ref="mms_log"/>
        </Logger>
        <Logger name="MMS_METRICS" level="all">
            <AppenderRef ref="mms_metrics"/>
        </Logger>
        <Root level="info">
            <AppenderRef ref="STDOUT"/>
            <AppenderRef ref="mms_log"/>
        </Root>
    </Loggers>
</Configuration>