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We present a data replication framework for distributed graph processing. First we partition a graph and store each partition in a machine. Then we replicate all partitions and assign replicas to machines, where each machine can store only a limited number of replicas. The goal is to replicate the partitions so that each partition has at least a certain number of replicated copies, and the cost is...
During recent years cloud service providers have successfully provided reliable and flexible resources to cloud users. For example Amazon Elastic Block Store (Amazon EBS) and Simple Storage Service (Amazon S3) provides users storage in the cloud. Despite the tremendous efforts cloud service providers have devoted to the availability of their services, the interruption is still inevitable. Therefore...
Data replication is a typical strategy for increasing access performance and data availability in data grid systems. Work on data replication in grid systems focuses on infrastructure for replication and mechanisms for creating/deleting replicas. The important problem of choosing suitable locations for placing replicas in data grids has not been well studied. In this paper, we address the problem...
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