Hadoop DFS日志结构文件系统

Hadoop DFS Log-Structured Filesystem This project is a sub-project of Cloudxy aim for designing a distributed FS. See the main web of Cloudxy for details (http://code.google.com/p/cloudxy/). Now available for Hadoop DFS Log-Structured Filesystem multi-file extension. NEWS 2012 11 15 --- Hadoop DFS Log-Structured Filesystem multi-file extension preliminary design V1 is available. (http://code.google.com/p/hlfs/downloads/list) 2012 11 22 --- Hadoop DFS Log-Structured Filesystem multi-file extension preliminary design V2 is available. (http://code.google.com/p/hlfs/downloads/list) 规范化了概要设计文档（可能还需要进一步规范）。 添加了 “系统随机访问模式和指定访问模式”。 添加了 “HLFS两个文件的的系统随机访问”。 2013 1 13 --- Hadoop DFS Log-Structured Filesystem multi-file extension preliminary design V3 is available.(http://code.google.com/p/hlfs/downloads/list) 添加了目录管理和文件管理 从新布局了log结构