Viewing the Component Overview

Viewing the Component Overview

1. Log in to the APM console.
2. Click on the left and choose Management & Governance > Application Performance Management.
3. In the navigation pane on the left, choose Performance Monitoring > Components. All components are displayed.
   • Select a region and an application to filter components.
     • Region: Select a region to filter components. The current region is selected by default.
     • Application: Select the application to which the components belong. You can select up to 50 applications. If you do not select any application, no component data will be displayed.
   • In the component list, select Period-on-Period to view data. The period-on-period data varies according to the selected time range. < 1 day: range in current day vs. same range in previous day. 1–7 days: range in current week vs. same range in previous week. 7–15 days: range in current time window vs. same range in previous time window. > 15 days: No comparative data displayed.
   • Set a time range to view the overview data. There are two methods to set a time range:
     • Method 1: Use a predefined time label, such as Last hour or Last 6 hours. You can select a time range as required.
     • Method 2: Specify the start time and end time (max. 30 days).
   • Click the search box and select an application and component from the drop-down list to view data.
   • Click in the upper right corner of the component list and select the columns to display. Only the Component column is mandatory. You can select other columns as required.

4. Click a component name in the Component column. The component details page is displayed.
5. Click the Overview tab. On the displayed page, view the overview data of the selected component.

   You can also perform the following operations if needed:

   • Set a time range to view the overview data. There are two methods to set a time range:
     • Method 1: Use a predefined time label, such as Last hour or Last 6 hours. You can select a time range as required.
     • Method 2: Specify the start time and end time (max. 30 days).
   • In the Metric Overview area, you can perform the following operations:
     • View the total number of requests, average response time, P99/P95/P50 response time, total number of errors, total number of slow calls, and total number of slow SQL statements of the component server in a specified time range.
     • View the day-on-day and week-on-week performance data. No comparative data is displayed if you select a time range longer than the maximum allowed limit.
     • Click the link next to on the metric card to go to the corresponding tab page.
   • In the Performance Analysis area, you can perform the following operations:
     • View the average number of requests, average response time, P99/P95/P50 response time, and error rate of the component server in a specified time range.
     • In a metric graph, you can select Day-on-Day to view the performance metric data of the previous day.

       The solid line indicates the data within the current specified time range, and the dotted line indicates the data in the same range of the previous day.

     • Move the pointer to a time point in the metric graph and click View Request to go to the Tracing tab page. For details, see Viewing the Call Relationships Between Microservices Through Tracing.
   • In the Resource Usage area, you can perform the following operations:
     • View the CPU usage and used memory of the component in a specified time range.
     • In a metric graph, you can select Day-on-Day to view the performance metric data of the previous day.

       The solid line indicates the data within the current specified time range, and the dotted line indicates the data in the same range of the previous day.

     • Move the pointer to a time point in the metric graph and click View CPU or View Memory to go to the Info tab page. For details, see Viewing the Info Monitoring Item of a Component.
   • In the Top 5 APIs area, you can perform the following operations:
     • View the component's top 5 APIs ranked by the total number of requests, error rate, average response time, and P99/P95/P50 response time in the specified time range.
     • Click an API to go to the Tracing tab page to view trace details. For details, see Viewing the Call Relationships Between Microservices Through Tracing.