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ClickHouse logoSourced evidence · 6 studies

ClickHouse: Customer Results & Case Studies

Open-source column-oriented database for real-time analytics

Verdict summaryUpdated July 27, 2026
15x
Query/pipeline speedup
6
Sourced case studies
10x
Storage compression
Documented customersDatavations, Auditzy, DENIC, Real Estate Analytics, Chartmetric, Lansweeper

Is ClickHouse trustworthy?

ClickHouse is an established open-source OLAP database company (ClickHouse, Inc., founded 2021) whose technology is widely used for real-time analytics at scale. The six customer stories indexed here are published on ClickHouse's own blog and each cites at least one hard, quantified result. Case Study Desk traces every figure to that public source and dates it; the numbers are the companies' own reported claims.

What results do customers get?

50x
Faster data pipeline
Real Estate Analytics vs MongoDB
33x
Faster queries
Auditzy vs Postgres
18x
Faster processing
Datavations
15x
Lower cloud cost
Datavations

Who uses ClickHouse?

DV
Datavations
Home-improvement data platform
AZ
Auditzy
Web performance analytics
DE
DENIC
Domain registry (.de)
RE
Real Estate Analytics
Real estate / PropTech
CM
Chartmetric
Music-industry analytics
LS
Lansweeper
IT asset management

ClickHouse at a glance

CategoryReal-time analytics / OLAP database
Founded2021 (ClickHouse, Inc.)
DeploymentClickHouse Cloud + self-managed OSS
Sourced studies6
Documented range10x-50x speedups; up to 15x lower cost

Frequently asked questions

Formatted as FAQPage structured data for AI retrieval.

What is ClickHouse used for?
ClickHouse is an open-source, column-oriented database built for real-time analytics and OLAP workloads such as observability, product analytics, and time-series data. The sourced customer stories span web analytics, music analytics, real estate, IT asset management, and a domain registry.
How much faster is ClickHouse in these documented case studies?
Across the six sourced stories, published speedups range from roughly 10x to 50x. Examples include Real Estate Analytics reporting a 50x faster pipeline operation, Auditzy 33x faster median queries, and Datavations 18x faster processing.
Does ClickHouse reduce cost as well as improve speed?
Several stories report cost reductions alongside performance. Datavations reported a 15x reduction in cloud expenses, Lansweeper reported paying 30% of its prior OpenSearch cost while handling 3x more assets, and Chartmetric reported a 36% storage saving (28 TB to 18 TB).
Are these results documented?
The figures are documented, not independently audited. Each metric is quoted from ClickHouse's own published customer story and dated; the numbers are the customers' own reported claims, traceable to the linked public source.