This is a repackaged open source software product wherein additional charges apply for support. Prometheus is a comprehensive open-source monitoring and alerting solution that plays a crucial role in maintaining the health and performance of modern software systems. Initially created by SoundCloud, it has gained widespread adoption in the DevOps and software engineering communities due to its robust features and flexibility.PromQL is Prometheus' powerful query language designed specifically for time-series data. It allows users to create complex queries to retrieve and manipulate metrics. This language is instrumental in generating meaningful insights from the collected data.Prometheus' modular design and active open-source community have led to the development of various integrations, extensions, and plugins, making it a versatile choice for organizations seeking robust monitoring and alerting capabilities. Its ability to handle real-time data, query flexibility, and seamless integration with other tools have solidified its place as a go-to solution for maintaining the reliability and performance of modern software systems.