Explore the major rewrite of InfluxDB, a time series database, to version 3.0 (IOx) in this comprehensive 56-minute video. Dive into the reasons behind the rewrite, including the need for strict memory management and high performance. Learn about the IOx database engine's design to handle various types of observability and monitoring data. Discover the challenges of working with logs, tracing, and structured events in time series databases. Examine the role of Flux scripting language and Data Fusion in InfluxDB's evolution. Gain insights into InfluxDB's development process, open source licensing considerations, and the company's focus on improving the core query engine. Follow along as the video covers topics such as the rewrite in Rust, observability database concepts, Flux integration, open source and licensing discussions, and concludes with information about the project's future direction.