关于jvm监控,java有jmx: java management extension ( java.lang.management )
http://www.ibm.com/developerworks/cn/java/j-lo-jse63/index.html
http://www.jdon.com/concurrent/jmx.htm
http://www.jdon.com/concurrent/jmx_dynamicbean.htm
http://docs.oracle.com/javase/tutorial/jmx/index.html
http://www.oracle.com/technetwork/java/javase/tech/javamanagement-140525.html
tomcat关于jmx的配置,最简单的可以使用jconsole做个监控,里面有关于内存、线程、类的简单信息
jmxremote.access和jmxremote.password的模板可以在 jre\lib\management 下找到
“set CATALINA_OPTS”加在catalina.bat里面
参考如下: https://tomcat.apache.org/tomcat-6.0-doc/monitoring.html
另外关于服务器监控软件: nagios也有关于jmx的插件:
http://www.nagios.com/solutions/jmx-monitoring