What are the functions of Prometheus?
Prometheus is an open-source monitoring tool with main features including:
- Collecting and storing time series data: Prometheus has the ability to gather and save time series data from a variety of sources, such as applications, services, operating systems, and network devices. It utilizes its own data model and query language for storing and analyzing this data.
- Real-time monitoring and alerting: Prometheus has the ability to monitor various metrics in real-time and send alerts and notifications based on pre-defined rules. It offers a flexible alert management system where users can define alert rules, receive alert notifications, and mute or handle alerts.
- Data visualization and exploration: Prometheus includes a built-in data visualization tool that allows collected data to be displayed in the form of charts and dashboards. Additionally, it has a flexible query language that can be used to explore data and perform complex data analysis and aggregation operations.
- Automated discovery and service discovery: Prometheus enables automatic discovery and monitoring of new targets. It can discover new targets through various methods such as static configuration, dynamic service discovery, and cluster management tools.
- Data Storage and Persistence: Prometheus utilizes a local storage engine to store collected data, enabling persistent storage, fast querying, backup and restore, as well as high availability and scalability features such as data replication and sharding.
- Highly scalable and flexible: Prometheus boasts a highly scalable and flexible architecture that can handle large-scale monitoring and data storage requirements. It supports horizontal scaling and cluster deployment, allowing for increased capacity and performance by adding more nodes and instances.
Overall, Prometheus is a powerful, user-friendly, and scalable monitoring tool that can be used to monitor and manage various complex IT environments and application systems.
