rocket mq Logappender示例——支持log4j等

Logappender示例

RocketMQ logappender提供了log4j appender，log4j2 appender和logback appender，用于使用，下面是配置示例。

log4j的

当使用log4j属性配置文件时，配置如下。

log4j.appender.mq=org.apache.rocketmq.logappender.log4j.RocketmqLog4jAppender
log4j.appender.mq.Tag=yourTag
log4j.appender.mq.Topic=yourLogTopic
log4j.appender.mq.ProducerGroup=yourLogGroup
log4j.appender.mq.NameServerAddress=yourRocketmqNameserverAddress
log4j.appender.mq.layout=org.apache.log4j.PatternLayout
log4j.appender.mq.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-4r [%t] (%F:%L) %-5p - %m%n

当使用log4j xml配置文件时，将其配置为此，并添加一个异步appender：

<appender name="mqAppender1" class="org.apache.rocketmq.logappender.log4j.RocketmqLog4jAppender">
<param name="Tag" value="yourTag" />
<param name="Topic" value="yourLogTopic" />
<param name="ProducerGroup" value="yourLogGroup" />
<param name="NameServerAddress" value="yourRocketmqNameserverAddress"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss}-%p %t %c - %m%n" />
</layout>
</appender>

<appender name="mqAsyncAppender1" class="org.apache.log4j.AsyncAppender">
<param name="BufferSize" value="1024" />
<param name="Blocking" value="false" />
<appender-ref ref="mqAppender1"/>
</appender>

log4j2

当使用log4j2，配置为这个。如果你想要无阻塞，只需配置一个asyncAppender作为参考。

<RocketMQ name="rocketmqAppender" producerGroup="yourLogGroup" nameServerAddress="yourRocketmqNameserverAddress"
topic="yourLogTopic" tag="yourTag">
<PatternLayout pattern="%d [%p] hahahah %c %m%n"/>
</RocketMQ>

的logback

使用logback时，还需要一个asyncAppender。

<appender name="mqAppender1" class="org.apache.rocketmq.logappender.logback.RocketmqLogbackAppender">
<tag>yourTag</tag>
<topic>yourLogTopic</topic>
<producerGroup>yourLogGroup</producerGroup>
<nameServerAddress>yourRocketmqNameserverAddress</nameServerAddress>
<layout>
<pattern>%date %p %t - %m%n</pattern>
</layout>
</appender>

<appender name="mqAsyncAppender1" class="ch.qos.logback.classic.AsyncAppender">
<queueSize>1024</queueSize>
<discardingThreshold>80</discardingThreshold>
<maxFlushTime>2000</maxFlushTime>
<neverBlock>true</neverBlock>
<appender-ref ref="mqAppender1"/>
</appender>