Does the Agora RTM SDK have a limit on the number of concurrent online users and the frequency of sending channel messages?

Type: General product inquiry Platform: Android / iOS / macOS / Web / Windows / Linux / RESTful Last Updated: 2021/01/25 21:51:51

The Agora RTM SDK does not have a limit on the number of concurrent online users. However, Agora has the following recommendations on the maximum number of channel messages per second for a single channel:

Concurrent online users in a single channel	Number of channel messages per second
< 1,000	< 200
≥ 1,000 and < 10,000	< 100
≥ 10,000	< 30

If the number of messages per second exceeds the recommended values, latency can increase significantly and may also cause the following issues:
- The user cannot send or receive messages.
- The user always stays in the RECONNECTING state or keeps switching between the CONNECTED state and the RECONNECTING state. For other users, the current user may appear offline.
Agora provides customized service to increase the number of messages per second without affecting latency or stability. Please contact support@agora.io for more information.

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