Abstract
With the rapid growth of data-intensive computing, cloud data center using MapReduce framework are increasingly popular. The energy consumption has become the most important problem in cloud data center which is based on MapReduce framework. MapReduce framework is typically deployed in large-scale clusters with thousands of nodes. The replicas are used to provide data redundancy. In this paper, we proposed a hypergraph-based power saving algorithm of data replica, which is based on the analysis of default placement strategy in Hadoop. The experimental results show that the proposed algorithm has certain advantages such as fault tolerance and availability of data blocks. Also, the energy efficiency is better than CS-k algorithm in the same operating environment.
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