Application Data Collection

• Self-detection workflow:

  In the start method of Monitor Agent

  1. Create and start the AppServerMonitorDetector instance, obtain all JVM processes with the run method, and start the corresponding data fetching task.
  2. Create the AppServerMonitorDetector instance and start a thread to collect the profile data.
  3. Start MDFListener to receive the MDF or MDF array pushed by the third-party so as to collect the runtime monitoring data.

• Periodical fetching workflow:

  AppServerMonitorDataCatchWorker (Tomcat), MSCPMonitorDataCatchWorker (MSCP) and JavaMonitorDataCatchWorker (JavaSE). Take Tomcat as an example:

  In the run method of AppServerMonitorDataCatchWorker

  1. Obtain all MBean corresponding to Monitor with the doCaptureMonitorData method and store all Mbean into MDF.
  2. Process data with the detector.runHandlers method.
  3. Obtain all MBean corresponding to Profile with the doCaptureProfileData method and store all Mbean into PMDF.
  4. Display the profile data with apdc.putData.

wherein, Mbean is classified into different types:

• MBean queried by AppServer/MSCP: profile: "com.creditease:feature=profiles,*" monitor: "com.creditease:feature=monitors,*"

• MBean queried by Java: "java.lang.management" ClassLoadingMXBean MemoryMXBean MemoryPoolMXBean “com.sun.management." GarbageCollectorMXBean ThreadMXBean OperatingSystemMXBean UnixOperatingSystemMXBean