Parquet and DataFusion 朱霜 2023.06.18 1. Introduction 2. Duo - Observability duet: Logging and Tracing • What is Duo? • How does it work? 3. Apache Arrow, Parquet and DataFusion • A brief introduction introduction to Arrow, Parquet, and DataFusion • How does Duo store and query log, span data? 4. The vision of Duo Content Introduction • ID: Folyd • GitHub: @folyd • 博客: https://folyd.com • ⼯作：字节跳动 Logging and Tracing Duo - How does it work? Duo - How does it work? Apache Arrow, Parquet, and DataFusion Apache Arrow • Created by Wes McKinney, creator of Pandas (2016) • A language-independent