1. The Google file system;Ghemawat,2003
2. Apache Hadoop, (http://hadoop.apache.org/).
3. MapReduce: simplified data processing on large clusters;Dean;Commun. ACM,2008
4. Apache hbase, (http://hadoop.apache.org/hbase/).
5. Q. Yu, Fastdfs: framework analysis and configuration optimization, 2012, Dtcc.