Streaming Real-Time Visualizations with ClickHouse, Apache Arrow and Perspective

The text discusses an integration between Perspective, a high-performance data analytics and visualization tool, and ClickHouse, an open-source columnar OLAP database management system. It explains how the two can be used together to handle real-time and streaming datasets efficiently. The author demonstrates this by building a simple demo application that provides rich visualization capabilities by streaming Forex data using Apache Arrow straight to the browser. They also discuss some limitations of ClickHouse's ability to handle streaming data and suggest future improvements.