The issue diagnosis feature lets you query data about abnormal calls for a specific AppID. You can find an overview of issues, a distribution of contributing factors, and detailed call information. This topic describes how to query these calls.
Prerequisites
The issue diagnosis feature must be enabled before you can use it. To request activation, submit a ticket. In the ticket, state that you want to enable the issue diagnosis feature and provide your UID.
Procedure
- Log on to the Real-Time Communication RTC console.
- In the navigation pane on the left, choose .
- Select the AppID and time range to query.
Note You can also drag the timeline to select a time range. If you drag the end of the timeline, the Real-time Update feature is disabled. - Optional:Click the Issue Overview tab to view an overview of the issues.
The Abnormal Overview includes the following metrics: slow channel entry, audio stuttering, video stuttering, video blur, high call latency, and slow first frame reception.
Metric Description Slow channel entry instances An instance where a user takes more than 5 seconds to successfully join a channel. If the same user is slow to join multiple times, each instance is counted. Users with audio stuttering The number of users who experience audio stuttering during a call. Users with video stuttering The number of users who experience video stuttering during a call. Users with blurry video The number of users who experience blurry video during a call. Users with high call latency The number of users who experience high latency during a call. Slow first frame rendering instances An instance where a user subscribes to a stream and is slow to receive the first video frame. If the same user is slow to receive the first frame multiple times, each instance is counted. - Optional:Click the Issue Factor Distribution tab to view the distribution of issue factors.
The issue factor distribution shows the influencing factors, the number of affected users, and their percentages, as shown in the following figure:
Note Influencing factors include the following:- Poor network on the publisher side
- Poor network on the subscriber side
- Poor device performance on the publisher side
- Publisher disabled the camera
- Publisher's app is running in the background
- Optional:Click the Abnormal Call Details tab. Enter a ChannelID or UserID, and click
to view the details of abnormal calls.
In the Operation column, click Diagnose Issue to diagnose an abnormal call.
The diagnosis includes basic information about the call and the diagnosis results. You can click End-to-end Data to view end-to-end monitoring data. For more information, see End-to-end data description.