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DISTRIBUTED SERVICE LEVEL MANAGEMENT WITH PERFORMANCE RESILIENCE OBJECTIVES
DISTRIBUTED SERVICE LEVEL MANAGEMENT WITH PERFORMANCE RESILIENCE OBJECTIVES
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机译:具有性能弹性目标的分布式服务级别管理
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摘要
Execution of I/O operations for an application is managed to improve consistency of performance for an I/O performance metric for the application. Such control may be achieved by defining a value for a performance resilience objective (PRO) parameter, and applying the PRO value to I/O requests of the application. The PRO value may define a value indicative of an extent to which I/O performance can deviate from a performance objective (e.g., as defined by a service level) over time; i.e., a tolerance for such deviation. Components of a computer network may be configured to apply PRO values to I/O requests for one or more applications. The PRO values of applications may be distributed to one or more components of a data storage system and one or more components of a host system, and these components may be configured to apply the PRO values to I/O requests of the subject applications.
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