نموذج Prometheus

في هذا الدرس

understand how Prometheus collects and stores metrics.

الموضوعات المخطط لها

• Prometheus pulls (scrapes) /metrics endpoints on a schedule; on Kubernetes it discovers targets automatically.
• Data is time series: a metric name plus labels, with a value per timestamp.
• Types: counter (only goes up), gauge (up and down), histogram (buckets for latency).
• Counters are read with rate(), never raw.
• Storage is local and limited in retention; long-term storage is a separate decision.