Quasar: Resource-Efficient and QoS-Aware Cluster Management

Provided by: Stanford Technology Ventures Program
Topic: Cloud
Format: PDF
Cloud computing promises flexibility and high performance for users and high cost-efficiency for operators. Nevertheless, most cloud facilities operate at very low utilization, hurting both cost effectiveness and future scalability. The authors present quasar, a cluster management system that increases resource utilization while providing consistently high application performance. Quasar employs three techniques. It does not rely on resource reservations, which lead to underutilization as users do not necessarily understand workload dynamics and physical resource requirements of complex codebases.

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