Kubernetes 1.37 Native Histograms: Prometheus Migration Guide
Enable Kubernetes 1.37 native histograms safely, configure Prometheus 3, migrate queries and dashboards, and validate observability cost and accuracy.
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Kubernetes 1.37 HPA Scale to Zero: External Metrics Setup and Gotchas
Configure Kubernetes 1.37 HorizontalPodAutoscaler minReplicas 0 with external metrics, understand ScaledToZero, and avoid workloads that never wake up.
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Prometheus High Cardinality Causing OOM — How to Find and Fix It (2026)
Prometheus is crashing with OOMKilled or running out of memory. The culprit is almost always high cardinality metrics — labels with thousands of unique values. Here's how to find which metrics are killing your Prometheus and exactly how to fix it.
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Build a Complete Kubernetes Monitoring Stack from Scratch (2026)
Step-by-step project walkthrough: set up Prometheus, Grafana, Loki, and AlertManager on Kubernetes using Helm. Real configs, real dashboards, production-ready.
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