JVM

The JVM page displays the GC information, CPU usage, threads, class load, memory usage, and memory pools of applications.

1. Log in to the management console.
2. Click on the left and choose Management & Governance > Application Performance Management.
3. In the navigation pane, choose Link Trace > Metrics.
4. In the tree on the left, click an environment. Then click the JVM tab.
5. On the displayed page, select an instance to view its monitoring data.

GC

Monitors GC and displays the GC duration and GC times in a graph.

CPU

Monitors CPU and displays the CPU usage in a graph.

Threads

Monitors threads and displays the number of blocked threads, peak threads, terminated threads, runnable threads, active threads, Daemon threads, and waiting threads in graphs.

Class loading

Monitors loaded classes and displays the total number of loaded classes, number of current classes, and total number of unloaded classes in a graph.

Memory

Monitors the memory of applications. The monitored metrics are isHeap, max, used, init, and committed.

• Set the search criteria and click in the search box to filter instances.
• Click in the upper right corner of the list and select the target metric data.
• Click in the upper right corner of the list to export information. A maximum of 100 records can be exported.

Memory pool

Monitors the memory pool of applications. The monitored metrics are type, max, used, init, and committed.

• Set the search criteria and click in the search box to filter instances.
• Click in the upper right corner of the list and select the target metric data.
• Click in the upper right corner of the list to export information. A maximum of 100 records can be exported.