Operation and maintenance said: monitoring, business events, the place of death and life, the way of survival, must also be observed.

The construction of monitoring is no less than the preparation of a war. Both the users who use the monitoring and the personnel who build the monitoring are faced with the practical challenge of whether the monitoring is easy to use and work well. Therefore, we must fully understand and understand the monitoring.

Monitoring (Monitoring), as the name implies, one is monitoring and the other is control. The focus is on the first word "supervision", which means monitoring and prevention. In the field of computer operation and maintenance, it refers to a way to sample data from the target state to determine its operating state. Usually we pay attention to the following monitoring data.