

In 2016, the ClickHouse project was released as open-source software under the Apache 2 license in June 2016 to power analytical use cases around the globe. ClickHouse was widely adopted at Yandex including for Yandex.Tank load testing tool and Yandex.Market to monitor site accessibility and KPIs. The power and utility of ClickHouse offered a true column-oriented DBMS, it allowed for systems to generate reports from petabytes of raw data with sub-second latencies. Unlike custom data structures used before, ClickHouse was applicable more generally to work as a database management system. The developers spent 3 years to prove this hypothesis, and in 2012 ClickHouse launched in production for the first time to power Yandex.Metrica, the second-largest web analytics platform in the world, after Google Analytics.

In 2009, Alexey Milovidov and developers started an experimental project to check the hypothesis if it was viable to generate analytical reports in real-time from non-aggregated data that is also constantly added in real-time. The company continues to build the open source project and engineering cloud technology.ĬlickHouse’s technology was first developed over 10 years ago at Yandex, Russia's largest technology company. On Octothe company received Series B funding totaling $250 million at an valuation of $2 billion from Coatue Management, Altimeter Capital, and other investors. In September of 2021 in San Francisco, CA, ClickHouse incorporated to house the open source technology with an initial $50 million investment from Index Ventures and Benchmark Capital with participation by Yandex N.V. is headquartered in the Bay Area of California, United States with the subsidiary, ClickHouse B.V., based in Amsterdam, Netherlands. ClickHouse is an open-source column-oriented DBMS (columnar database management system) for online analytical processing (OLAP) that allows users to generate analytical reports using SQL queries in real-time.
