This section introduces the related terms and basic concepts of Cloud Eye.

Terms	Definitions
Cloud Eye	Cloud Eye is used to monitor the cloud services of CT Cloud. You can use it to view the monitored items of the resources in the cloud products under the current CT Cloud account. You can view monitored items such as ECSs, EVSs, and EIPs.
Cloud Service	CT Cloud Service refers to the cloud products and services provided by CT Cloud, including ECSs, EVSs, Cloud Eye, etc.
Alarm Service	Customers can set alarm rules for monitored items of cloud product instances in Cloud Eye. When the monitored items reach the threshold of the alarm rules, an alarm notification will be sent in time.
Monitoring Items	Types of monitored indicators for cloud service product instances. For example: CPU, memory and disk usage of an ECS.
Dashboard	You can set the dashboard and views on the monitoring home page for special scenarios of customers' critical business.
Alarm Rules	An alarm rule is a condition for triggering an alarm of a monitored item. When a monitored item reaches the alarm threshold, an alarm notification will be sent.
Silence Period	After an alarm notification is sent, if the monitored object does not return to normal and still exceeds the alarm threshold, another alarm will not be triggered within the silence period.
Alarm Contact	It is the actual recipient of an alarm notification.
Alarm Group	It is an alarm contact group. A group of alarm contacts contain one or more contact persons. When creating alarm rules and grouping applications, you need to send an alarm notification to the contacts in the alarm group. According to the preset alarm mode, the system sends an alarm notification to the contacts in the alarm group when it reaches the alarm threshold.

Cloud Eye

Basic Concept