ClickHouse Observability Overview Set up comprehensive monitoring for ClickHouse using built-in system tables, Prometheus integration, Grafana dashboards, and alerting rules. Prerequisites - ClickHouse instance with table access - Prometheus (or compatible: Grafana Alloy, Victoria Metrics) - Grafana for dashboards - AlertManager or PagerDuty for alerts Instructions Step 1: Key Metrics from System Tables Step 2: Prometheus Integration ClickHouse Cloud exposes a managed Prometheus endpoint: Self-hosted — use clickhouse-exporter or built-in metrics endpoint: Step 3: Application-Level Metrics Ste…