Abnormal diagnosis

Procedure

1. Log on to the Real-Time Communication (RTC) console.

2. In the navigation pane on the left, choose Observatory > Abnormal Diagnosis to open the Abnormal Diagnosis interface.

3. 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.

4. Optional: Click the Abnormal Overview tab to view the overview data for abnormal calls.

   The abnormal overview includes metrics such as slow channel entry instances, users with audio stuttering, users with video stuttering, users with video blur, users with high call latency, and slow first-frame reception instances, as shown in the following table:

   Metric	Description
   Slow channel entry instances	A slow channel entry is recorded if a user takes more than 5 seconds to successfully join a channel. Multiple slow entries by the same user are counted cumulatively.
   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 video blur	The number of users who experience video blur during a call.
   Users with high call latency	The number of users who experience high latency during a call.
   Slow first frame reception instances	A slow first frame reception is recorded each time a user subscribes to a stream and experiences a delay in receiving the first frame. Multiple slow receptions by the same user are counted cumulatively.

5. Optional: Click the Abnormal Factor Distribution tab to view the distribution of factors that cause abnormalities.

   The abnormal factor distribution consists of influencing factors, the number of affected users, and their percentage, as shown in the following figure:

   

   Note

   Influencing factors include but are not limited to the following:

   • Poor network on the publisher side

   • Poor network on the subscriber side

   • Poor device performance on the publisher side

   • Publisher's camera is turned off

   • Publisher's app is running in the background

6. Optional: Click the Abnormal Call Details tab, enter a ChannelID or UserID, and then click the search icon to view the details of abnormal calls.

   In the Actions column, you can click Diagnose to diagnose an abnormal call.

   The diagnosis includes basic information and diagnostic results for the call. You can click End-to-end Data to view the end-to-end data from communication monitoring. For more information, see End-to-end data.