tag: grafana
- Full observability on one VPS: metrics, logs, alerts, dashboards — 452 MiB requested How VictoriaMetrics, VictoriaLogs, Promtail, vmalert, and Grafana fit together on a 2-core VPS: architecture, the full resource bill, and repeating patterns.
- OpenTelemetry as APM replacement: one SDK, any backend How OpenTelemetry replaces vendor APM tools (Elastic, Datadog, Dynatrace) with one SDK, one protocol, and a Grafana stack for zero licensing cost.
- Loki and LogQL: logs without Elasticsearch overhead Grafana Loki in SingleBinary mode, Grafana Alloy as promtail replacement, LogQL stream selectors, JSON parsing, rate queries, and trace ID correlation between logs and Jaeger.
- kube-prometheus-stack: the full monitoring setup kube-prometheus-stack HelmRelease with Prometheus persistence and retention tuning, Grafana admin secret, ServiceMonitor for custom apps, sidecar dashboard loading, and storage sizing estimates.
- Grafana datasource and dashboard provisioning via ConfigMap additionalDataSources in kube-prom-stack values, sidecar dashboard discovery from ConfigMaps with grafana_dashboard label, dashboards in git, folder structure.
- kube-prometheus-stack on multi-cluster: spoke Prometheus, central Grafana Grafana on one cluster, Prometheus on all six. Spoke kube-prom-stack with Grafana disabled, externalLabels.cluster for cross-cluster dashboards.
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