clickhouse-observability

Monitor ClickHouse with Prometheus metrics, Grafana dashboards, system table queries, and alerting for query performance, merge health, and resource usage. Use when setting up ClickHouse monitoring, building Grafana dashboards, or configuring alerts for production ClickHouse deployments. Trigger: "clickhouse monitoring", "clickhouse metrics", "clickhouse Grafana", "clickhouse observability", "monitor clickhouse", "clickhouse Prometheus".