How ClickHouse Uses Kubernetes

iFood rebuilt its in-house security platform on ClickHouse Cloud, getting 9-16x faster queries at 40-50% of the cost and unlocking agentic threat hunts that cut a week of analyst work down to two hours.

Explore ClickStack’s latest upgrades, from richer trace navigation and Prometheus connectivity to smarter dashboards, quieter alerts, faster filtering and support for exponential histogram metrics.

How we rebuilt ClickHouse Cloud's autoscaling orchestration on Kubernetes' controller-runtime and a ClickHouse-powered signals table, adding a reactive fast path that scales services up in seconds instead of waiting for the next scheduled pass.

You can choose any of these hundred database systems and run queries. You can create tables and databases, insert data, drop tables, etc. Every database comes with a preloaded dataset of 100 million records, so you can test example queries. It has not onl

Treating a Gaggia espresso machine like a distributed system: instrumenting an ESP32 with OpenTelemetry, streaming shots and whole-house sensors into ClickHouse Cloud, and putting ClickStack (plus an LLM agent) on top to turn every pull into a queryable,

Recent improvements to the OpenTelemetry Collector's Datadog receiver let teams reroute telemetry from their existing Datadog agents and SDKs to ClickStack. or any OTel destination making migrations and evaluations simpler than ever.

Februarys' ClickStack update brings major improvements to both Cloud and open source, including new query workflows, enhanced metrics exploration, performance optimizations, and expanded alerting options.

ClickHouse is fast by design, but raw database speed isn't enough. This post explores how ClickStack tightly integrates with ClickHouse to generate optimized queries — from progressive time window pagination and chunked charts to automatic use of materi

Learn how to send structured .NET logs directly to ClickHouse using Serilog — with full schema control, full-text search, and SQL queries over your log data.

ClickStack gets a literary upgrade with "AI Summarize", transforming raw logs into vivid, story-driven narratives that finally explain what's really happening in your systems.

How to remain competitive in the AI era of software engineering

We see ClickHouse and Grafana as a key part of the observability experience. Here's our vision for making the plugin more powerful and easier to use.

ClickHouse 26.4 is here! In this release, more features become SQL compatible, COUNT DISTINCT gets faster, EXPLAIN gets even prettier, and more

Why does high cardinality break Prometheus but not ClickHouse? In Part 1, we explore the architectural tradeoffs of Prometheus and other series-based systems, showing how cardinality impacts memory, ingestion, querying, and operational stability at scale.

A walkthrough of adding OpenTelemetry instrumentation to two ASP.NET services — an Order API and a Payment Service — and shipping traces, logs, and metrics to ClickStack, with auto-correlated signals and cross-service trace waterfalls out of the box.

We’ve shipped dashboard actions, custom number palettes, flexible event patterns, a built-in RUM experience, major trace view improvements, expanded MCP capabilities, scoped dashboard filters, and much more in ClickStack this May.

We scaled our internal logging platform from 19 PiB to 431 PiB and 1.59 quadrillion rows. Here’s how we rearchitected LogHouse to handle 80 GiB/s of writes while keeping queries fast and the underlying complexity invisible.

ClickHouse is now available as a Docker Hardened Image: a minimal, security-hardened build that passes enterprise vulnerability scans by shipping only what the database needs to run, with no change to how ClickHouse behaves.

The article discusses the evolving role of metrics in observability, emphasizing that while they remain important, their function is shifting towards being an optimization layer rather than the cor...

ClickHouse 26. 1 is a major release featuring 25 new features, 43 performance optimizations, and 176 bug fixes.

The October 2025 edition of What's New in ClickStack highlights significant updates to the open-source observability stack for ClickHouse, including the introduction of alerting features, customiza...

The article discusses the rising costs associated with observability in software engineering and proposes a shift towards open, cost-efficient architectures.

This article discusses how to instrument a Next. js application using OpenTelemetry and ClickStack, focusing on the integration of observability and analytics through ClickHouse.

The article explores the potential of Large Language Models (LLMs) to replace Site Reliability Engineers (SREs) in performing root cause analysis (RCA) for production issues.

The article discusses the evolution of ClickHouse's observability platform, LogHouse, as it scales beyond 100 petabytes of data.

The article discusses the implementation of Make Before Break scaling mechanics for ClickHouse Cloud, focusing on the transition from a single StatefulSet architecture to a more flexible MultiSTS a...

This article discusses the implementation of ClickHouse's Bring Your Own Cloud (BYOC) model on AWS, detailing the benefits of customer-controlled cloud environments and the challenges faced during ...

The article details a complex debugging journey faced by ClickHouse engineers as they investigated a mysterious CPU spike in their cloud infrastructure on GCP.

This article discusses the open sourcing of kubenetmon, a tool developed by ClickHouse to monitor data transfer in ClickHouse Cloud.

The article discusses the evolution of SQL-based observability, focusing on ClickHouse's advancements over the past year.

The article discusses the integration of ClickHouse with OpenTelemetry, highlighting its significance in standardized telemetry data collection and analysis.

This article explores how ClickHouse can be utilized as a feature store to train machine learning models, specifically focusing on the integration with Featureform.

This article details the development of a ClickHouse-powered logging platform, named LogHouse, which efficiently manages over 19 PiB of log data while significantly reducing costs compared to tradi...

This article discusses the CGW Stack, which combines ClickHouse, Grafana, and WarpStream to provide a cost-effective and efficient logging solution at scale.

The article discusses how ClickHouse Cloud optimized its Kubernetes pod allocation in AWS EKS by changing the scheduling policy to MostAllocated, resulting in significant cost savings.

SigNoz is an open-source Application Performance Monitoring (APM) solution that integrates metrics, traces, and logs based on OpenTelemetry, designed to provide a comprehensive observability experi...

This article discusses how to build an observability solution using ClickHouse, focusing specifically on collecting, storing, and querying trace data with OpenTelemetry.

ClickHouse Fiddle is an open-source SQL playground designed for executing SQL queries directly from a browser without the need for a local database instance.

This article provides a comprehensive guide on how to send Windows Event Logs to ClickHouse using Fluent Bit, focusing on threat-hunting use cases.

This article discusses building an observability solution using ClickHouse, focusing specifically on log data collection and querying.

This article discusses how to send Kubernetes logs to ClickHouse using Fluent Bit, providing a step-by-step guide on deployment and configuration.

This article outlines 13 common mistakes, referred to as the 'deadly sins,' that new users encounter when starting with ClickHouse.

This article provides a detailed guide on how to send Nginx logs to ClickHouse using Fluent Bit, a lightweight logging processor.