Prometheus

What Prometheus Is

Prometheus is a free, open-source platform for monitoring computer systems and software. It was originally built at SoundCloud, a music streaming service, and is now maintained by the Cloud Native Computing Foundation (CNCF), which is a group that supports open-source cloud software. Prometheus works by constantly collecting numbers, called metrics, from different parts of a computer system. These metrics can include things like how much memory a server is using, how many requests a website is getting, or whether a particular service has crashed. The collected data is stored in a time-series database, which means every number is saved with a timestamp so engineers can see how things change over time.

One of the key features of Prometheus is its query language, called PromQL. This lets users ask questions of their data, like "Show me CPU usage for the last hour" or "How often is this service returning errors?". Prometheus can also be set up to send alerts when something goes wrong, such as when a server runs out of disk space or a service stops responding.

How It Is Used Today

Prometheus has become one of the most popular monitoring tools in the tech industry, especially for companies running cloud-based applications and containerized workloads. It is commonly used alongside Kubernetes, a system that helps manage containers across many computers. Because Prometheus is open-source, anyone can use it for free and modify it to fit their needs. The project has grown to support many integrations, allowing it to pull data from almost any kind of system or application. There have also been efforts to scale Prometheus from running on a single computer to handling enterprise-grade monitoring across large distributed infrastructures.

FAQ

FAQ: Prometheus is separate from Meta's AI initiatives.

FAQ

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