Reward Scheduling for QoS in Cloud Applications

  title={Reward Scheduling for QoS in Cloud Applications},
  author={Ahmed Elnably and Kai Du and Peter J. Varman},
  journal={2012 12th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (ccgrid 2012)},
We present a novel QoS scheduling algorithm for multi-tiered storage servers made up of hard disks and SSDs. The work is motivated by the difference in access times for a workload as its SSD hit ratio changes. Our scheme is designed to reward clients according to their runtime behavior, while honoring their static QoS settings including shares (or weights), reservations and limits. A model based on entitlements is developed to describe the reward allocation policy (RAP). Simulation results show… CONTINUE READING


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