JAMON 相关知识

xiaoxiao2026-06-20  26

什么是JAMon

JAMon 就是Java Application Monitor ,主要可以监控程序性能相关指标,包括一个方法被调用多少次,总共执行多少时间,最大最小时间,等等...

官方网站springaop的方式提供了,对它应用的使用,相对简单以下可以对dao相关方法做监控 spring配置文件

<bean id="jamonInterceptor" class="org.springframework.aop.interceptor.JamonPerformanceMonitorInterceptor">

           <property name="loggerName" value="daoMonitor">

 

</bean>

          </bean>

<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">

                    <property name="interceptorNames">

                               <list>

                                <value>jamonInterceptor</value>

                                         <value>TransactionInterceptor</value>

                                         <value>transactionInterceptor</value>

                                         <value>DAOInterceptor</value>

                               </list>

                    </property>

                    <property name="beanNames">

                               <value>*DAO</value>

                    </property>

          </bean>

log4j配置文件

      <logger name="daoMonitor">

        <level value="trace" />

        <appender-ref ref="Screen" />

    </logger>

并且将在jmx中的helper bean提供相关的mbean

 faq

 如果jmxmonitor不起作用?

可以修改log4j关于daoMonitor的级别,改成trace

或者增加JamonPerformanceMonitorInterceptor trackAllInvocations = true

取自"http://localhost/wiki/index.php/JAMon"

 

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