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Improving the disk I/O performance is always a critical research issue in cloud computing platforms, especially for cloud computing platforms with distributed data-intensive workloads. To resolve the problem of poor disk I/O, in this paper, we propose a novel scheduling framework in the Xen-based hypervisor. In our framework, we employ a locality-aware scheduler with a deadline constraint and provide...
Virtualization is a critical technology issue in cloud computing. Virtualization technology faces two major challenges, namely, poor I/O throughput and long latency for data access. To address the issues, we present a distributed deadline modification SCAN mechanism called DDM-SCAN. We integrate the DDM-SCAN mechanism to Xen-based cloud platform. The result of our simulations show DDM-SCAN improve...
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