Apache Flume: Distributed Log Collection for Hadoop, Second Edition (2015)
Chapter 1. Overview and Architecture
Chapter 2. A Quick Start Guide to Flume
Chapter 4. Sinks and Sink Processors
Chapter 5. Sources and Channel Selectors
Chapter 6. Interceptors, ETL, and Routing
Chapter 7. Putting It All Together
Chapter 9. There Is No Spoon - the Realities of Real-time Distributed Data Collection