This document discusses ChistaDATA Inc., a company that provides consultative support and managed services for ClickHouse, an open-source column-oriented database management system designed for real-time analytics. It describes how real-time analytics differs from traditional OLAP, an overview of ClickHouse and why it is recommended for real-time analytics and time-series data. The document also discusses how ChistaDATA can help customers build web-scale real-time analytics solutions using ClickHouse and its cloud offerings.