3Dong Xi-cheng. Hadoop internals:in-depth study of MapReduce [ M ]. Beijing : China Machine Press,2013.
4Kuo A M. Opportunities and challenges of cloud computing to im- prove health care services [ J ]. Journal of Medical Intemet Re- search ,2011,13 (3) :97-98.
5Liu Xu-hni, Han Ji-zhong, Zhong Yun-qin, et al. Implementing WebGIS on Hadoop: a case Study of improving small file I/O per- formance on HDFS[ C ].1EEE International Conference on Cluster Computing, IEEE, 2009 : 1-8.
6Dong Bo,Qiu Jie,Zheng Qing-hua,et al. A novel approach to im- proving the efficiency of storing and accessing small files on ha- doop:a case study by powerpoint files[ c ]. IEEE International Con-ference on Services Computing (SCC) ,IEEE ,2010:65-72.
7Zhang Xin. Depth cloud computing: Hadoop source code analysis [ M ]. Beijing: China Railway Publishing House,2013.
8Shvachko K,Hairong K,Radia S. The Hadoop distributed file sys- tem [ C ]. Incline Village, IEEE 26th Symposium on Mass Storage Systems and Technologies ( MSST), NV ,2010:1-10.
9Shvachko K, Kuang H, Radia S, et al. The hadoop distributed file system[ C]. IEEE 261h Symposium on Mass Storage Systems and Technologies ( MSST), IEEE,2010:1-10.
