License Management #
Scope: cluster license
License Usage in DBPlusEngine-Proxy #
Background Information
| License Features | Description |
|---|---|
| Limiting the length of time | Limit the length of time DBPlusEngine can be used |
| Limit the number of storage nodes | Limit the number of storage nodes created by the DBPlusEngine cluster |
| Restricted computing nodes (Proxy) | Limit the number of creation compute nodes (DBPlusEngine-Proxy) created in a single cluster |
| Restrict the compute node (Driver) | Limit the number of creation compute nodes (DBPlusEngine-Driver) created in a single cluster |
| Restricted Version | Limit the version of DBPlusEngine in the cluster |
| MAC address of the hardware device | Limit the MAC addresses of the hardware devices where computing nodes (Proxy) in the cluster are located and the MAC addresses of the hardware devices accessed by computing nodes (Driver). |
| Limit functionality | Restrict available functions. |
Caution
The default storage directory of License is: config.
Procedure
- Execute the following command to view the license.
SHOW LICENSE INFO;
- Register license using the registration code.
REGISTER LICENSE 'license-key';
- Register the license using the license file.
REGISTER LICENSE 'director/license-file';
- Preview the license using the registration code file.
SHOW LICENSE INFO 'license-key';
- Preview the license using the license file.
SHOW LICENSE INFO '直接路径/license-file';
Follow up
If the following error occurs, please obtain the latest version of the license and update the license to the latest status.
- No license prompt
FATAL: License not registered
- license Incomplete tips
FATAL: Incomplete license
- license expiration alert
FATAL: License is expired
- Illegal license prompt
ERROR: The xxx exceeds the limit of the license
Performance without License or after License overrun #
- You can start clusters but won’t be able to execute RDL, RUL, and RAL. You can execute a small amount of RQL.
- DistSQL with the global release.
- SHOW STORAGE UNITS
- show *
- COUNT * RULES
- EXPORT DATABASE CONFIGURATION
- CONVERT YAML CONFIGURATION
- register license
- transaction-related standard statements
- The maximum number of instances that can be executed
- SET INSTANCE STATUS
- The SQL statement of the DB cannot be executed
License Expired Alert Feature #
A WARN level alert is output in the cluster’s compute node run log when the license is <= 30 days from expiration.
The tips are:
The license of DBPlusEngine will expire in xx day(s)