# Building ClickCannon - a tool for benchmarking ClickHouse

DevFeed: [Building ClickCannon - a tool for benchmarking ClickHouse](<https://devfeed.tech/articles/building-clickcannon-a-tool-for-benchmarking-clickhouse-5009.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/building-clickcannon-a-tool-for-benchmark-clickhouse>)

Author: Spencer Torres

Published: 2026-06-11T00:00:00Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [benchmarking](<https://devfeed.tech/topics/benchmarking.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [observability](<https://devfeed.tech/topics/observability.md>), [telemetry](<https://devfeed.tech/topics/telemetry.md>), [data](<https://devfeed.tech/topics/data.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [benchmark](<https://devfeed.tech/tags/benchmark.md>), [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [building](<https://devfeed.tech/tags/building.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [concurrency](<https://devfeed.tech/tags/concurrency.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [memory](<https://devfeed.tech/tags/memory.md>), [observability](<https://devfeed.tech/tags/observability.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [opentelemetry](<https://devfeed.tech/tags/opentelemetry.md>), [performance](<https://devfeed.tech/tags/performance.md>), [production](<https://devfeed.tech/tags/production.md>), [scale](<https://devfeed.tech/tags/scale.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tools](<https://devfeed.tech/tags/tools.md>)

## AI overview

ClickHouse announces ClickCannon, an open-source benchmarking tool that evolved from an internal ClickStack sizing project. It replays production data, simulates users and query patterns, and measures insert and query workload performance with control over throughput, concurrency, and user behavior.

## Source excerpt

What started as an internal sizing tool for ClickStack became ClickCannon: an open-source framework for stress-testing ClickHouse with realistic data and user workloads.