loom-grafana
Installation
SKILL.md
Grafana and the LGTM Stack
Visualization, dashboards, alerting, and exploration. Scope: dashboards/panels, LogQL, TraceQL, data sources, templating, Grafana alerting. PromQL query semantics → loom-prometheus.
Overview
| Component | Role | Query lang |
|---|---|---|
| Loki | Log aggregation; indexes labels only, not content | LogQL |
| Grafana | Visualization, dashboards, unified alerting, Explore | — |
| Tempo | Distributed tracing; columnar Parquet, OTel-native | TraceQL |
| Mimir | Long-term, multi-tenant Prometheus storage (remote_write) |
PromQL |
Collector: Grafana Alloy (OTel Collector distribution). Grafana Agent is EOL (2025-11-01) — migrate.
Dashboard Design
Hierarchy: Overview → Service → Component → Deep Dive. Signals: RED (Rate/Errors/Duration) for services, USE (Utilization/Saturation/Errors) for resources. Variable-driven, 24-column grid, < 15 panels/dashboard.