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── 99424 repos indexed ── | filtered by tag: #promql
prometheus/prometheus ★ 66346 10886 APPLICATION

This is the Prometheus monitoring system, a production-grade application that scrapes and stores time-series metrics, evaluates PromQL queries, generates alerts, and supports remote write/read. The codebase is structured as a monolith with clearly separated packages: a time-series database (TSDB) with advanced compression (XOR, varbit, histogram encoding), a PromQL parser and engine, a scrape manager with start-time synthesis for cumulative metrics, a notifier for Alertmanager integration, service discovery for 15+ cloud/container platforms, remote storage adapters, and a REST API with OpenAPI specs. The system runs as a single binary with optional agent mode. Two web UIs (React and Mantine) provide querying, alert management, and configuration views. The architecture is modular: each major component (TSDB, PromQL, scrape, notifier) has a clean interface and can be independently tested or replaced.

RATING: 9.9/10 MAINT: active DRIFT: low
▸ 6 reusable components found
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