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In multi-tenant shared clouds, applications of different tenants compete for the shared network and thus suffer significant unpredictability of performance. The progress is an essential metric to measure the overall data transfer rate of a tenant and to indicate how fast a tenant can complete data transfer. Most previous work of network allocation or schedule focus on achieving the tradeoff among...
The performance requirements and amount of work of an I/O workload affect the number of storage devices and the run time needed by the workload, and should be included in the calculation of the cost or energy consumption of storage devices. This paper introduces models to calculate the cost and energy consumption of storage devices for running a variety of workloads, categorized by their dominant...
Most of the "Big Data" applications, such as decision support and emergency response, must provide users with fresh, low latency results, especially for aggregation results on key performance metrics. However, disk-oriented approaches to online storage are becoming increasingly problematic. They do not scale grace-fully to meet the needs of large-scale Web applications, and improvements...
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