ClickHouse® is famous for real-time response, cost-efficiency, and flexible Apache 2.0 licensing. In the first half of this talk, we’ll show how ClickHouse® implements sub-second analytics with columnar storage, vectorized query, and compression on datasets running to hundreds of terabytes. We’ll then pivot and discuss how Altinity is adapting open source ClickHouse® to deliver economical, real-time response over 100 Petabytes of data or more.