The source is a technical paper that describes the Google File System (GFS), a scalable distributed file system designed to meet Google's data processing needs. The paper discusses the design principles behind GFS, including its focus on handling component failures, managing large files, and optimizing for append-only operations. It also details the system architecture, consisting of a single master node and multiple chunkservers, as well as the implementation of various features, such as atomic record appends and snapshots. Finally, the authors present micro-benchmark results and real-world measurements from GFS clusters used at Google to illustrate the system's performance and scalability.