@conference {1449, title = {Characterization of Power Usage and Performance in Data-Intensive Applications using MapReduce over MPI}, booktitle = {2019 International Conference on Parallel Computing (ParCo2019)}, year = {2019}, month = {2019-09}, address = {Prague, Czech Republic}, author = {Joshua Davis and Tao Gao and Sunita Chandrasekaran and Heike Jagode and Anthony Danalis and Pavan Balaji and Jack Dongarra and Michela Taufer} }