Managing Sessions of a GeminiDB Redis Instance

Scenarios

You can manage sessions of a GeminiDB Redis instance on the console.

Usage Notes

• To use this function, you need to update instances with earlier kernel minor versions to the most recent version.
• Redis Cluster instances do not support sessions.
• This function is available only when the target instance node is normal.
• Session details are displayed after a client connects to the instance.

Killing a session will disconnect applications.

Viewing Instance Sessions

1. Log in to the Huawei Cloud console.
2. In the service list, choose Databases > GeminiDB Redis API.
3. On the Instances page, click the target instance.
4. In the navigation pane on the left, choose Sessions.
5. On the Sessions page, select a node to view its session information. Table 1 lists the session parameters.
   Figure 1 Sessions
   

   Table 1 Instance session parameters

   Parameter	Description
   addr	IP address and port number of a client
   id	Session ID
   name	Connection name
   cmd	Last executed command
   age	Connection duration, in seconds
   idle	Idle duration, in seconds
   db	ID of a database that is being used by the client, for example, DB0, DB1, and DB2
   fd	File descriptor for sockets
   sub	Number of subscribed channels
   psub	Number of subscribed modes
   multi	Number of commands executed in a transaction

6. You can select By source or By database. Table 2 lists the parameters.
   • By source: Sessions on clients connected to a node. IP addresses of top ten clients are displayed and ordered based on sessions on each client. There may be clients with the same quality of sessions.
   • By database: IP addresses of clients connected to each database and sessions of each client. Top ten clients are displayed and ordered based on their sessions. There may be clients with the same quality of sessions.
   Figure 2 Session statistics
   

   Table 2 Session statistics

   Parameter	Description
   Item	Total and active clients Total clients: Total client connections Active clients: Active client connections
   Result	Statistical results
   Source	Client IP address
   DB	ID of a GeminiDB Redis database, for example, DB0, DB1, and DB2
   Total	Total client connections

Auto Refresh

Auto Refresh is disabled by default. You can toggle it on. After Auto Refresh is enabled, the page is refreshed every 10s by default. You can set the interval to 10s, 30s, or 60s.

Figure 3 Auto Refresh

Killing Sessions

You can click Kill Selected, Kill All Node Sessions, or Kill All Instance Sessions.

Killing a session will disconnect applications.

Figure 4 Killing sessions

Exporting Sessions

You can click Export All Node Sessions or Export All Instance Sessions.

Figure 5 Exporting sessions