apche druid log 配置

问题

  日志分隔，度量日志单独配置。

解决方式。

经过log4j2 

其中在 jvm.config 中添加-Dlogfile.name=broker

log4j2 能够经过${sys:logfile.name}获取

%d{yyyy-MM-dd HH:mm:ss} [%t] %-5p %c{1}:%L - %msg%n

<Configuration status="WARN">
<properties>
    <property name="pattern">%d{yyyy-MM-dd HH:mm:ss.SSS} %c{1.} %t [%p] %msg%n</property>
    <property name="patternNoTime">%msg%n</property>
    <property name="patternMetrics">%d %-8r %m%n</property>
	<property name="logPath">logs</property>
</properties>
<appenders>
 <RollingFile name="STDOUT"
		fileName="${logPath}/${sys:logfile.name}.log"
		filePattern="${logPath}/${sys:logfile.name}-%d{yyyy-MM-dd}.log.%i.gz">
        <PatternLayout>
            <pattern>${patternNoTime}</pattern>
        </PatternLayout>
        <Policies>
            <SizeBasedTriggeringPolicy size="100 MB"/> <!-- Or every 100 MB -->
        </Policies>
        <DefaultRolloverStrategy max="4"/>
    </RollingFile>
	
	<RollingFile name="METRICS"
		fileName="${logPath}/${sys:logfile.name}.metrics"
		filePattern="${logPath}/${sys:logfile.name}-%d{yyyy-MM-dd}.metrics.%i.gz">
        <PatternLayout>
            <pattern>${patternMetrics}</pattern>
        </PatternLayout>
        <Policies>
            <SizeBasedTriggeringPolicy size="50 MB"/>
        </Policies>
        <DefaultRolloverStrategy max="4"/>
    </RollingFile>
	</appenders>
	
<loggers>
   <Root level="info">
    <appender-ref ref="STDOUT"/>
   </Root>
    <Logger name="com.metamx.emitter.core.LoggingEmitter" level="error" additivity="false">
        <appender-ref ref="METRICS"/>
    </Logger>
   
</loggers>
</Configuration>