515 Ventures, Almaz Capital, Altimeter Capital Management, Artisanal Ventures, Benchmark (San Francisco), Burch Creative Capital, Coatue Management, FirstMark Capital, Index Ventures, Lead Edge Capital, Lightspeed Venture Partners, Redpoint Ventures, Sarona Ventures, Thrive Capital, Yandex.
Clickhouse is the developer of the popular open-source column-oriented DBMS (columnar database management system) for online analytical processing (OLAP) which allows users to generate analytical reports using SQL queries in real-time. ClickHouse works 100-1000x faster than traditional database management systems, and processes hundreds of millions to over a billion rows and tens of gigabytes of data per server per second.