Chat Glossary
This page explains Chat-related metrics.
Scale metrics
Total registered users
The number of registered users under this project as of the current time.
Daily new users
The number of newly registered users under this project today (00:00 – current time).
Daily active users (DAU)
The number of users who log in or send or receive messages today (00:00 – current time). A user connected through multiple devices is regarded as one active user.
Monthly Max. DAU
The highest number of DAU from 00:00 on the first day of this month to the current time.
Total chat groups
The number of created chat groups under this project as of the current time (disbanded chat groups are excluded).
Daily new chat groups
The number of newly created chat groups under this project today (00:00 – current time).
Daily disbanded chat groups
The number of disbanded chat groups under this project today (00:00 – current time).
Daily active chat groups
The number of chat groups that send uplink messages or receive downlink messages today (00:00 – current time).
Total chat rooms
The number of created chat rooms under this project as of the current time (disbanded chat rooms are excluded).
Daily new chat rooms
The number of newly created chat rooms under this project today (00:00 – current time).
Daily disbanded chat rooms
The number of disbanded chat rooms under this project today (00:00 – current time).
Daily active chat rooms
The number of chat rooms that send uplink messages or receive downlink messages today (00:00 – current time).
Daily chat room PCU
The highest number of users connected to servers at the same time in chat rooms under this project today (00:00 - current time). Note that the displayed data has a 10-minute delay.
Message count metrics
The following metrics apply to 1-to-1 chats, chat groups, and chat rooms, as well as all message types.
Total dispatched messages
The number of messages dispatched by the Chat server as of yesterday.
Total uplink messages
The number of messages sent from clients to the Chat server as of yesterday.
Total downlink messages
The number of messages sent from the Chat server to online users as of yesterday.
Total offline messages
The number of messages sent from the Chat server to offline users as of yesterday.
End-user API metrics
Metric type
| Metric type | Description |
|---|---|
| Manual login | Users log in through a password or token. |
| Automatic login | Users log in automatically (TODO). |
| Message sending | Users send messages. |
| Friends management | User operations such as adding or removing friends from their contacts. |
| User management | User operations such as creating and updating a profile. |
| Chat group management | User operations such as creating and deleting chat groups. |
| Chat room management | User operations such as creating and deleting chat rooms. |
Metric
| Metric | Description |
|---|---|
| Request attempts | The total number of attempts to call the client SDK APIs. |
| 1s/3s/5s request success rate | The number of successful calls of the client SDK API in 1s/3s/5s divided by the total number of effective call attempts ①. |
| Average request delay | The sum of delay of client SDK API calls divided by the total number of successful calls. |
① The total number of effective call attempts does not include invalid call attempts. A call attempt is considered as invalid if one of the following requirements is met:
- The username or password is empty or incorrect.
- The username is illegal.
- The password is invalid.
- Ths user cannot perform the operation without an admin permission.
- The user does not exist.
- The chat group does not exist.
- The user is not found in the chat group.
Server API metrics
Metric type
| Metric type | Description |
|---|---|
| Token generation | Retrieving a token that has the privilege of an administrator through the RESTful API. |
| User system registration | User registration and retrieving, modifying, and deleting user information through the RESTful API. |
| File upload / download | Uploading and downloading audio, image, and other files through the RESTful API. |
| Message sending | Sending a message through the RESTful API. |
| Chat group management | Functions such as creating and deleting chat groups through the RESTful API. |
| Chat room management | Functions such as creating and deleting chat rooms through the RESTful API. |
| User attributes | Functions such as setting and deleting user attributes through the RESTful API. |
Metric
| Metric | Description |
|---|---|
| Request attempts | The total number of attempts to make RESTful API requests. |
| 1s/3s/5s request success rate | The number of successful RESTful API requests in 1s/3s/5s divided by the total number of RESTful API request attempts. |
| Average request delay | The sum of delay of all RESTful API requests divided by the total number of successful RESTful API requests. |
