libfastcommon

FastDFS FastDFS的作者余庆在其 GitHub 上是这样描述的：“FastDFS is an open source high performance distributed file system. It's major functions include: file storing, file syncing and file accessing (file uploading and file downloading), and it can resolve the high capacity and load balancing problem. FastDFS should meet the requirement of the website whose service based on files such as photo sharing site and video sharing site” ，意思说，FastDFS是一个开源的高性能分布式文件系统。其主要功能包括：文件存储、文件同步和文件访问（文件上传和文件下载），它可以解决高容量和负载平衡问题。FastDFS应满足基于照片共享站点和视频共享站点等文件的网站的服务要求。 FastDFS 有两个角色：跟踪器（Tracker）和存储器（Storage）。 Tracker 负责文件访问的调度和负载平衡。