5/31/2023 0 Comments Mql code examplesPromQL allows you to write queries and fetch information from the metric data collected by Prometheus. Other Prometheus components include a data model that stores the metrics, client libraries for instrumenting code, and PromQL for querying the metrics. The alert manager also takes care of duplicating, grouping, routing, and silencing alerts. Alertmanager: The Alertmanager interfaces between the Prometheus server and receiving endpoints like email and PagerDuty.The Prometheus server scrapes their endpoints and saves the data as metrics. Exporters: These are like “agents" that expose metrics from a wide variety of applications, infrastructure, APIs, databases, and other sources.Push gateway: This is used to send metrics from short-lived jobs to Prometheus.The Prometheus server: The main application server that collects and stores metrics and sends alerts.In this article, you will learn some useful PromQL queries to monitor the performance of Kubernetes-based systems.īut before that, let’s talk about the main components of Prometheus. You can query Prometheus metrics directly with its own query language: PromQL. Prometheus has gained a lot of market traction over the years, and when combined with other open-source tools like Grafana, it provides a robust monitoring solution. It saves these metrics as time-series data, which is used to create visualizations and alerts for IT teams. Prometheus is an open-source monitoring and alerting software that can collect metrics from different infrastructure and applications.
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