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Supporting Application QoS in Shared Resource Pools

Rolia, Jerry; Cherkasova, Ludmila; Arlitt, Martin; Machiraju, Vijay


Keyword(s): automation; enterprise applications; shared resource pools; QoS; measurements; capacity management; performance models

Abstract: Many enterprises are beginning to exploit large shared resource pools in data center environments to lower their infrastructure and management costs. These environments may have tens, hundreds, or even thousands of server resources. Capacity management for resource pools decides how many resources are needed to support a given set of application workloads, which applications must be assigned to each resource, and per-application scheduling parameters to ensure appropriate sharing and isolation for the applications. Capacity management is a challenging task for shared environments that currently requires significant manual effort and tends to over-provision resources. This paper describes our approach to automate the steps of a capacity self-management system that exploits application quality of service requirements to best match resource supply with demand. Notes:

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