clickhouse Archives - ITFROMZERO

Monitoring tutorial - IT technology blog

Monitoring ClickHouse with Prometheus and Grafana: Query Performance, Mutations, and RAM

By IT From Zero October 19, 2026

A comprehensive guide to leveraging ClickHouse's native OpenMetrics endpoint with Prometheus and Grafana. Master critical PromQL queries to monitor QPS, Part Mutations, and RAM usage to prevent downtime.

Monitoring

Self-Hosting SigNoz with Docker: The Open-Source APM Alternative to Datadog

By IT From Zero May 25, 2026

Prometheus + Grafana are great at tracking metrics, but they won't help you correlate traces and logs when debugging. Self-hosted SigNoz solves this by consolidating Metrics, Traces, and Logs into a single interface, built on OpenTelemetry and ClickHouse — completely free, lighter than ELK, and straightforward to deploy with Docker Compose.

Database

Getting Started with ClickHouse: A High-Performance OLAP Database for Large-Scale Analytics

By IT From Zero April 28, 2026

ClickHouse is a columnar OLAP database that lets you analyze hundreds of millions of rows in seconds. This guide covers installation on Linux, choosing the right table engine, importing real-world data, and production deployment tips for DevOps teams.