Prometheus is an open-source system monitoring and alterting toolkit. - It collects metrics from configured targets via HTTP endpoints and stores them in a time-series database. which means it captures the metrics data points over time and stores them with timestamps. These details can be used to analyze the trends and performance metrics change. - Prometheus have it’s own powerful query language- PromQL, allows for real-time data analysis and querying. - It includes built-in alerting through Alertmanager to notify based on defined conditions.
