Towards General-Purpose Resource Management in Shared Cloud Services (HotDep ’14)

In distributed services shared by multiple tenants, managing resource allocation is an important pre-requisite to providing dependability and quality of service guarantees. Many systems deployed today experience contention, slowdown, and even system outages due to aggressive tenants and a lack of resource management. Improperly throttled background tasks, such as data replication, can overwhelm a system; conversely, high-priority background tasks, such as heartbeats, can be subject to resource starvation. In this paper, we outline five design principles necessary for effšective and effi›cient resource management policies that could provide guaranteed performance, fairness, or isolation. We present Retro, a resource instrumentation framework that is guided by these principles. Retro instruments all system resources and exposes detailed, real-time statistics of per-tenant resource consumption, and could serve as a base for the implementation of such policies

mace14resource.pdf

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