# Trouble will find you: How Cloudflare uses ClickHouse to scale analytics at quadrillion-row scale

DevFeed: [Trouble will find you: How Cloudflare uses ClickHouse to scale analytics at quadrillion-row scale](<https://devfeed.tech/articles/trouble-will-find-you-how-cloudflare-uses-clickhouse-to-scale-analytics-at-quadrillion-row-scale-5210.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/cloudflare>)

Author: ClickHouse

Published: 2026-02-18T00:00:00Z

Content type: article

Language: en

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

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Cloudflare](<https://devfeed.tech/topics/cloudflare.md>), [data](<https://devfeed.tech/topics/data.md>), [datacenter](<https://devfeed.tech/topics/datacenter.md>)

Tags: [analytics](<https://devfeed.tech/tags/analytics.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloudflare](<https://devfeed.tech/tags/cloudflare.md>), [complexity](<https://devfeed.tech/tags/complexity.md>), [data](<https://devfeed.tech/tags/data.md>), [data-center](<https://devfeed.tech/tags/data-center.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [errors](<https://devfeed.tech/tags/errors.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [outage](<https://devfeed.tech/tags/outage.md>), [scale](<https://devfeed.tech/tags/scale.md>), [server](<https://devfeed.tech/tags/server.md>)

## AI overview

Cloudflare's analytics system, built around ClickHouse, processes quadrillions of events while maintaining sub-two-second query response times. The article examines how the company designs infrastructure to remain resilient as scale, traffic, and failures increase.

## Source excerpt

"At Cloudflare, we're always scaling. There's always more trouble tomorrow. But we've designed our system around ClickHouse to be able to deal with that." Jamie Herre, Senior Director of Engineering