An instrumented appender for Log4j.
'com.codahale.metrics:metrics-log4j:3.0.2'
<dependency>
<groupId>com.codahale.metrics</groupId>
<artifactId>metrics-log4j</artifactId>
<version>3.0.2</version>
</dependency>
<dependency org="com.codahale.metrics" name="metrics-log4j" rev="3.0.2"/>
"com.codahale.metrics", "metrics-log4j", "3.0.2"