Observability· Apr 18, 2023· 1 min read

Building an Actionable Observability Pipeline with Prometheus, Grafana & Loki

Shafikul Islam
Shafikul Islam

Backend Infrastructure & Cloud Performance Consultant

Building an Actionable Observability Pipeline with Prometheus, Grafana & Loki

The 3 Pillars of Observability

Without centralized observability, debugging production incidents requires SSHing into worker nodes and tailing log files — costing hours of downtime.

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    Prometheus Metrics Scraping: Scraping cluster infrastructure, node exporter, and custom application metrics.
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    Loki Structured Logging: Centralized log aggregation indexed by Kubernetes labels without expensive full-text indexing overhead.
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    Grafana Alertmanager: Routing critical P0 alerts (pod crash loops, disk space >90%) directly to Slack and PagerDuty while suppressing non-actionable noise.
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