# How Buildkite transformed test analytics and cut costs with ClickHouse Cloud

DevFeed: [How Buildkite transformed test analytics and cut costs with ClickHouse Cloud](<https://devfeed.tech/articles/how-buildkite-transformed-test-analytics-and-cut-costs-with-clickhouse-cloud-5015.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/buildkite-test-analytics>)

Author: ClickHouse

Published: 2026-01-27T10:43:29Z

Content type: article

Language: en

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

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>), [real-time](<https://devfeed.tech/topics/real-time.md>), [data](<https://devfeed.tech/topics/data.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [systems](<https://devfeed.tech/topics/systems.md>), [Kafka](<https://devfeed.tech/topics/kafka.md>), [Streaming](<https://devfeed.tech/topics/streaming.md>), [Amazon S3](<https://devfeed.tech/topics/amazon-s3.md>), [Apache Iceberg](<https://devfeed.tech/topics/apache-iceberg.md>), [Rails](<https://devfeed.tech/topics/rails.md>), [Ruby](<https://devfeed.tech/topics/ruby.md>)

Tags: [analysis](<https://devfeed.tech/tags/analysis.md>), [backend](<https://devfeed.tech/tags/backend.md>), [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [data](<https://devfeed.tech/tags/data.md>), [kafka](<https://devfeed.tech/tags/kafka.md>), [model](<https://devfeed.tech/tags/model.md>), [real-time](<https://devfeed.tech/tags/real-time.md>), [ruby](<https://devfeed.tech/tags/ruby.md>), [s3](<https://devfeed.tech/tags/s3.md>), [streaming](<https://devfeed.tech/tags/streaming.md>), [systems](<https://devfeed.tech/tags/systems.md>), [ui](<https://devfeed.tech/tags/ui.md>)

## AI overview

Buildkite migrated its Test Engine analytics architecture to ClickHouse Cloud, replacing complex pre-aggregation and multiple storage components with on-demand analytics queries. The system handles 12 billion monthly events and ingestion of 25,000 events per second while reducing infrastructure costs and supporting customer-facing dashboards.

## Source excerpt

"Shifting workloads to ClickHouse Cloud has simplified our backend systems and reduced costs, unlocked more possibilities for analytics, and enabled the team to rapidly deliver new functionality." Gordon Chan, Staff Software Engineer