CloudMonitor allows you to quickly learn the running status and performance figures for instances of the various Alibaba Cloud products and services you use. CloudMonitor supports site monitoring, cloud service monitoring, and custom monitoring. In the CloudMonitor console, you can view charts that show data taken from your current services so that you can gain a clearer picture of your service operations. At the same time, you can also set alarm rules and manage the metrics you use to monitor your instances and learn about faulty instances in a timely manner.