🔥🔥🔥监控指标，CPU使用情况、类加载统计、垃圾回收器回收情况、内存占用情况、线程运行情况、Tomcat线程池、JDK线程池等。 Monitor metrics, CPU usage, class load statistics, garbage collector collection, memory usage, thread running, Tomcat thread pool, JDK thread pool, etc.