Proactive Monitoring with Grafana Prometheus: Building Effective Dashboards for Alerting and Observability


[ Prometheus collects and stores application metrics, while Grafana visualizes this data in dashboards, enabling proactive issue detection and resolution through alerts, transforming reactive monitoring into a proactive approach. ]

Monitoring & Observability Basics: Grafana & Prometheus 🚀

āϕ⧇āύ Monitoring āĻāϤ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ?

āĻ­āĻžāĻŦ⧁āύ āϤ⧋, production āĻ āφāĻĒāύāĻžāϰ app āϚāϞāϛ⧇āĨ¤ āϏāĻŦāĻ•āĻŋāϛ⧁ āĻ āĻŋāĻ• āφāϛ⧇â€Ļ āĻŽāύ⧇ āĻšāĻšā§āϛ⧇āĨ¤ āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻšāĻ āĻžā§Ž āĻāĻ•āĻĻāĻŋāύ client āĻĢā§‹āύ āĻ•āϰ⧇: “āĻ­āĻžāχ, site slow āĻšāϝāĻŧ⧇ āϗ⧇āϛ⧇!” āφāĻĒāύāĻŋ server āĻ āĻĸ⧁āϕ⧇ āĻĻ⧇āĻ–āϞ⧇āύ CPU 95%, memory leak, āĻŦāĻž DB connection floodāĨ¤ 👉 āϝāĻĻāĻŋ monitoring āύāĻž āĻĨāĻžāϕ⧇, āφāĻĒāύāĻŋ reactive mode āĻ āĻĒāĻĄāĻŧ⧇ āϝāĻžāĻŦ⧇āύāĨ¤ 👉 āĻ•āĻŋāĻ¨ā§āϤ⧁ monitoring āĻĨāĻžāĻ•āϞ⧇, āϏāĻŽāĻ¸ā§āϝāĻž āĻļ⧁āϰ⧁ āĻšāĻ“ā§ŸāĻžāϰ āφāϗ⧇āχ alert āĻĒā§‡ā§Ÿā§‡ action āύāĻŋāϤ⧇ āĻĒāĻžāϰāĻŦ⧇āύāĨ¤

🛠 Prometheus: The Data Collector

Prometheus āĻāĻ•āϟāĻŋ metrics collector āĻāĻŦāĻ‚ time-series databaseāĨ¤ ✅ āĻāϟāĻŋ āφāĻĒāύāĻžāϰ servers, containers, apps āĻĨ⧇āϕ⧇ metrics scrape āĻ•āϰ⧇āĨ¤ ✅ Powerful query language (PromQL) āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ data fetch āĻ•āϰāϤ⧇ āĻĒāĻžāϰāĻŦ⧇āύāĨ¤ ✅ Alertmanager āĻĻāĻŋā§Ÿā§‡ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ condition āĻĒā§‚āĻ°ā§āĻŖ āĻšāϞ⧇ alert trigger āĻ•āϰāϤ⧇ āĻĒāĻžāϰāĻŦ⧇āύāĨ¤

📈 Grafana: The Dashboard King

Prometheus āϝ⧇āϟāĻž collect āĻ•āϰ⧇, Grafana āϏ⧇āϟāĻžāϕ⧇ eye-catching dashboards āĻ āϰ⧂āĻĒ āĻĻā§‡ā§ŸāĨ¤ 👉 Custom charts, graphs, alerts āϤ⧈āϰāĻŋ āĻ•āϰ⧇ āĻĒ⧁āϰ⧋ team āϕ⧇ clear visibility āĻĻā§‡ā§ŸāĨ¤ 👉 Managers āĻĨ⧇āϕ⧇ developer—āϏāĻŦāĻžāχ āϏāĻšāĻœā§‡ āĻŦ⧁āĻāϤ⧇ āĻĒāĻžāϰ⧇āĨ¤

🔗 Grafana–Prometheus Communication (How They Work Together)

Prometheus āφāĻĒāύāĻžāϰ apps, servers, containers āĻĨ⧇āϕ⧇ metrics scrape āĻ•āϰ⧇ āϤāĻžāϰ own time-series database āĻ store āĻ•āϰ⧇āĨ¤ Grafana āύāĻŋāĻœā§‡ āϕ⧋āύ⧋ data collect āĻ•āϰ⧇ āύāĻžâ€”đŸ‘‰ āϏ⧇ Prometheus āĻāϰ REST API āĻĨ⧇āϕ⧇ data query āĻ•āϰ⧇ āύāĻŋā§Ÿā§‡ āφāϏ⧇āĨ¤ āϝāĻ–āύ āφāĻĒāύāĻŋ Grafana dashboard āĻ āĻāĻ•āϟāĻž panel add āĻ•āϰ⧇āύ: Grafana → Prometheus āϕ⧇ PromQL query āĻĒāĻžāĻ āĻžā§ŸāĨ¤ Prometheus āϏ⧇āχ query āĻ…āύ⧁āϝāĻžā§Ÿā§€ metrics data āĻĢ⧇āϰāϤ āĻĻā§‡ā§ŸāĨ¤ Grafana āϏ⧇āχ data āϕ⧇ āϏ⧁āĻ¨ā§āĻĻāϰ chart, graph, gauge, āĻŦāĻž table āφāĻ•āĻžāϰ⧇ visualize āĻ•āϰ⧇āĨ¤ āĻāχ separation of concern āĻāϰ āĻ•āĻžāϰāϪ⧇ Grafana flexible — Prometheus āĻ›āĻžāĻĄāĻŧāĻž InfluxDB, Loki, Elasticsearch āϏāĻš āφāϰāĻ“ āĻ…āύ⧇āĻ• datasource āĻāϰ āϏāĻžāĻĨ⧇ āĻ•āĻžāϜ āĻ•āϰāϤ⧇ āĻĒāĻžāϰ⧇āĨ¤ āĻ•āĻŋāĻ¨ā§āϤ⧁ Prometheus + Grafana combo DevOps community āϤ⧇ de-facto standardāĨ¤

🔄 Basic Flow

1ī¸âƒŖ Prometheus install āĻ“ configure āĻ•āϰ⧁āύ āφāĻĒāύāĻžāϰ targets (āϝ⧇āĻŽāύ Node Exporter āĻŦāĻž app metrics endpoint) āĻĨ⧇āϕ⧇ metrics scrape āĻ•āϰāϤ⧇āĨ¤ 2ī¸âƒŖ Grafana install āĻ•āϰ⧁āύ āĻāĻŦāĻ‚ Prometheus āϕ⧇ data source āĻšāĻŋāϏ⧇āĻŦ⧇ connect āĻ•āϰ⧁āύāĨ¤ 3ī¸âƒŖ Dashboards āϤ⧈āϰāĻŋ āĻ•āϰ⧇ CPU, memory, request latency, error rate āχāĻ¤ā§āϝāĻžāĻĻāĻŋ track āĻ•āϰ⧁āύāĨ¤

Posted by Khandakar Rabbi Ahmed Sanjid, 3 days ago

More Blogs

author-image
Author
Khandakar Rabbi Ahmed Sanjid
āĻĒā§āϰāϝ⧁āĻ•ā§āϤāĻŋāϰ āĻ…āĻ—ā§āϰāĻ—āϤāĻŋ: āĻœā§€āĻŦāύāϕ⧇ āϏāĻšāϜ āĻ“ āωāĻ¨ā§āύāϤ āĻ•āϰāĻžāϰ āύāϤ⧁āύ āĻĒāĻĨ

āĻĒā§āϰāϝ⧁āĻ•ā§āϤāĻŋāϰ āĻ…āĻ—ā§āϰāĻ—āϤāĻŋ āφāĻŽāĻžāĻĻ⧇āϰ āĻœā§€āĻŦāύāϕ⧇ āφāϰāĻ“ āϏāĻšāϜ, āϏ⧁āϰāĻ•ā§āώāĻŋāϤ āĻ“ āωāĻ¨ā§āύāϤ āĻ•āϰāϛ⧇āĨ¤ āĻ•ā§ƒāĻ¤ā§āϰāĻŋāĻŽ āĻŦ⧁āĻĻā§āϧāĻŋāĻŽāĻ¤ā§āϤāĻž (AI) āϏāĻŋāĻĻā§āϧāĻžāĻ¨ā§āϤ āĻ—ā§āϰāĻšāϪ⧇ āϏāĻšāĻžā§ŸāϤāĻž āĻ•āϰāĻŦ⧇, āχāĻ¨ā§āϟāĻžāϰāύ⧇āϟ āĻ…āĻĢ āĻĨāĻŋāĻ‚āϏ (IoT) āĻ¸ā§āĻŽāĻžāĻ°ā§āϟ āĻ•āĻžāύ⧇āĻ•ā§āϟāĻŋāĻ­āĻŋāϟāĻŋ āύāĻŋāĻļā§āϚāĻŋāϤ āĻ•āϰāĻŦ⧇, ā§ĢāϜāĻŋ āĻ“ āĻ…āĻ—āĻŽā§‡āĻ¨ā§āĻŸā§‡āĻĄ āϰāĻŋ⧟āĻžāϞāĻŋāϟāĻŋ (AR)...

9 minutes ago

Read more
blog-image
EBS 2.0: Award-Winning Solution for Real-Time Location-Based Services

EBS 2.0, our Next-Gen Idea Contest entry, soared to second place! This innovative platform, leveraging GPS and cloud technology, offers real-time, location-based services revolutionizing office management, healthcare, and transportation....

1 month ago

Read more
blog-image
DevOps Boosts Government E-Plot System Efficiency: A Case Study

I’m pleased to share that our paper, "Adopting DevOps Practices in Government Systems: Enhancing Operational Efficiency and Security in Business Automation Ltd.'s E-Plot Management System" was presented at the 2025...

1 month ago

Read more
The Unsung Heroes of Tech: Why DevOps Deserves More Recognition

DevOps engineers are the unsung heroes of the tech world, ensuring seamless app functionality and infrastructure stability. Their crucial work, often invisible when successful, only gains recognition during outages....

1 month ago

Read more