2009
DOI: 10.1007/978-3-642-10485-5_9
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Scalable Workload Adaptation for Mixed Workload

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(2 citation statements)
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“…In this section, we describe a query scheduler that uses query optimizer cost estimates, and we experimentally compare against this scheduler in Section 9. The scheduler that uses query optimizer cost estimates is based on the work of Niu et al [33,34,48,49] (in particular, the query scheduler described in detail in [33,48]). The query scheduler in these works uses the query optimizer cost estimates (termed as timerons in IBM DB2) to measure the cost of the queries executing in the system.…”
Section: Scheduling Based On Query Optimizer Cost Estimatesmentioning
confidence: 99%
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“…In this section, we describe a query scheduler that uses query optimizer cost estimates, and we experimentally compare against this scheduler in Section 9. The scheduler that uses query optimizer cost estimates is based on the work of Niu et al [33,34,48,49] (in particular, the query scheduler described in detail in [33,48]). The query scheduler in these works uses the query optimizer cost estimates (termed as timerons in IBM DB2) to measure the cost of the queries executing in the system.…”
Section: Scheduling Based On Query Optimizer Cost Estimatesmentioning
confidence: 99%
“…The work in [33,34,48,49] also includes a general framework for workload adaptation that can handle scheduling for time-varying workloads. In addition, the different service classes can have different service level objectives, and the scheduler dynamically adjusts the timeron threshold for each service class based on a utility function that quantifies how well the different service level classes presently meet their service level objectives.…”
Section: Scheduling Based On Query Optimizer Cost Estimatesmentioning
confidence: 99%