Event Monitoring

Updated on 2025-01-20 GMT+08:00

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Overview

You can query system events that are automatically reported to Cloud Eye and custom events reported to Cloud Eye through the API. When there are specified events, you will receive alarm notifications.

Events are key operations on ELB resources that are stored and monitored by Cloud Eye. You can view events to see operations performed by specific users on specific ELB resources.

Event monitoring provides an API for reporting custom events, which helps you collect and report abnormal events or important change events generated by ELB to Cloud Eye.

Event monitoring is enabled by default and allows you to view monitoring details of system events and custom events. For operations supported by event monitoring, see Monitoring Events Supported by ELB.

Monitoring Events Supported by ELB

Table 1 lists the monitoring events supported by dedicated load balancers.

**Table 1** Monitoring events supported by dedicated load balancers
Event Source	Event Name	Event ID	Event Severity	Description	Solution	Impact
ELB	The backend servers are unhealthy.	healthCheckUnhealthy	Major	Generally, this problem occurs because the backend servers are offline. This event will not be reported after it is reported for several times.	Check whether the backend servers are running properly.	ELB does not forward requests to unhealthy backend servers. If all backend servers in the backend server group are detected unhealthy, services will be interrupted.
ELB	The backend server is detected healthy.	healthCheckRecovery	Minor	The backend server is detected healthy.	No further action is required.	The load balancer routes requests to this backend server.

Parent Topic: Cloud Eye Monitoring

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