Alibaba Cloud released new alert rules for PolarDB for MySQL on January 9, 2020.
The new alert rule feature (PolarDB MYSQL CLUSTER) is available on CloudMonitor. This feature allows you to create alert rules based on more performance metrics, which delivers improved user experience in alerting and notifications. You can click CloudMonitor Console to create new alert rules. For more information, see Create an alert rule.
January 9, 2020
Impacts on previous alert rules
Alibaba Cloud no longer develop alert rules of the earlier version. You can use the alert rules that have been configured before this new feature is released.You can retain these previous alert rules or use new alert rules.