[IEEE 2014 IEEE/ACM 7th International Conference on Utility and Cloud Computing (UCC) - London, United Kingdom (2014.12.8-2014.12.11)] 2014 IEEE/ACM 7th International Conference on Utility and Cloud Computing - Toward Enhancing Block I/O Performance for Virtualized Hadoop ClusterKo, Byeong-Moon; Lee, Joonwon; Jo, Heeseung · 2014