Jiong Xie, Shu Yun, Xiaojun Ruan, Zhiyang Ding, Yun Tian, James Majors, Adam Manzanares, Xiao Qin, « Improving MapReduce Performance through Data Placement in Heterogeneous Hadoop Clusters », ACM, , p. 3 (lire en ligne)
(en) « How Google Works », baselinemag.com : « As of October, Google was running about 3,000 computing jobs per day through MapReduce, representing thousands of machine-days, according to a presentation by Dean. Among other things, these batch routines analyze the latest Web pages and update Google's indexes. »
