What is the purpose of the Prometheus system?

Prometheus system is an open-source monitoring and alerting tool used to collect, store, and query various types of time series data. It can monitor the performance metrics of servers, applications, and network services so that administrators can promptly detect issues and take appropriate actions. By configuring alert rules, Prometheus system can also monitor system status in real-time and send alert notifications when abnormalities are detected. This allows administrators to quickly respond and resolve issues, ensuring system stability and reliability.