A clear-eyed look at ELK, Grafana, and Prometheus—how they handle logs, metrics, and alerts, and which one fits your observability goals best.

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The post provides a detailed comparison of three major observability tools: ELK Stack, Grafana, and Prometheus. It examines their core functionalities, data handling approaches, visualization capabilities, and alerting systems. It also discusses their scalability, performance, and various deployment models, helping readers determine which tool or combination suits their specific monitoring needs and infrastructure best.

Comparing ELK, Grafana, and Prometheus for Observability

Data Collection Approaches: Push vs. Pull Models

Deployment Models: Installation and Operations