What is Prometheus?

Prometheus is an open-source monitoring solution that collects metrics data and stores it in a time series database, providing efficient, scalable, and flexible monitoring practices for organizations. It uses PromQL, a powerful query language, to slice and dice collected time-series data, allowing flexibility in monitoring diverse systems and services. Prometheus follows a pull-based model for data collection and retrieval, storing collected metrics in a time-series database, and utilizing discovery mechanisms to ensure that new instances are automatically detected and monitored without manual intervention. The platform offers features such as multi-dimensional data, PromQL, alerting rules, data visualization through integrations, scalability and federation, making it a popular choice for monitoring modern cloud-native architectures. Prometheus is suitable for monitoring almost any part of an application, including microservices, frontend, backend, servers, hardware, and infrastructure, providing users with the tools needed to gain deep insights into their systems' behavior and performance.

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