Template: Log4j2.xml

Remain 7 days log file with Log4j2. Please use the version above 2.16.0.

<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
    <Properties>
        <Property name="FILE_PATH">/path/to/your/log/folder</Property>
        <Property name="FILE_NAME">your-log-file-name</Property>
        <Property name="PATTERN">{"host": "%host", "logger": "%logger", "level": "%level", "message": "[%thread] [%c:%L]
            --- %message"}%n
        </Property>s
    </Properties>
    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} [%file] [%thread] %n%level : %msg%n"/>
        </Console>
        <RollingRandomAccessFile name="HourLogFile" fileName="${FILE_PATH}/${FILE_NAME}-hour.log"
                                 filePattern="${FILE_PATH}/${FILE_NAME}-hour.%d{yyy-MM-dd HH}.log">
            <PatternLayout pattern="${LOG_PATTERN}"/>
            <Policies>
                <!-- interval 属性用来指定多久滚动一次，默认是 1 hour-->
                <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
                <!-- 当文件达到设定阈值时，会滚动一次（保存为新文件） -->
                <SizeBasedTriggeringPolicy size="100MB"/>
            </Policies>
            <!-- 该路径下最多能存放多少个文件，大于该数值后覆盖旧的文件，默认是 7 个 -->
            <DefaultRolloverStrategy max="100">
                <Delete basePath="${FILE_PATH}/" maxDepth="2">
                    <IfFileName glob="*.log"/>
                    <!--!Note: 这里的age必须和filePattern协调, 后者是精确到HH, 这里就要写成xH, xd就不起作用 另外, 数字最好>2,
                        否则可能造成删除的时候, 最近的文件还处于被占用状态,导致删除不成功! -->
                    <!-- 7天 = 168H -->
                    <IfLastModified age="168H"/>
                </Delete>
            </DefaultRolloverStrategy>
        </RollingRandomAccessFile>
    </Appenders>
    <Loggers>
        <AsyncLogger name="org.springframework" level="DEBUG" additivity="false">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="HourLogFile"/>
        </AsyncLogger>
        <AsyncLogger name="org.apache.ibatis" level="DEBUG" additivity="false">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="HourLogFile"/>
        </AsyncLogger>
        <Root level="INFO">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="HourLogFile"/>
        </Root>
    </Loggers>
</Configuration>