JVM monitoring

Procedure

1. Log on to the SAE console.

2. In the left-side navigation pane, click Applications. In the top navigation bar, select a region. Then, click the name of an application.

3. In the left-side navigation pane, choose Application Monitoring > Application Details. On the Application Details page, click the JVM monitoring tab to view the details of data collection.

Metric categories

On the JVM monitoring tab, you can view the time series curves for the instantaneous GC count, instantaneous GC time consumption, heap memory details, metadata details, non-heap memory details, direct buffer details, and JVM thread count.

• You can click Instantaneous or Accumulated in the upper-right corner of the Instantaneous Count and Instantaneous Duration charts to switch between different curves. You can view the time series curves for the quantities of instantaneous GCs and accumulated GCs, and time consumed for instantaneous GCs and accumulated GCs.

• You can click the name of a metric such as FullGC Count on a chart to show or hide the metric.

  Note

  Each chart must contain at least one visible metric. If only one metric is displayed in a chart, you cannot hide the metric.

• Click the icon on each chart to view the statistics of the metric in a specific time period or compare the statistics of the metric in the same time period on different days.

• You can click the View API icon in the upper-right corner of the Heap Memory Details / 1 Min, Metadata Details / 1 Min, Non-Heap Memory / 1 Min, Direct Buffer / 1 Min, and JVM Threads / 1 Min charts to view the detailed information about the APIs that are related to the metrics.