Increasing Utilization in Modern Warehouse-Scale Computers Using Bubble-Up
Jason Mars, University of Virginia
Lingjia Tang, University of Virginia
Kevin Skadron, University of Virginia
Mary Lou Soffa, University of Virginia
Robert Hundt, Google
Precisely predicting performance degradation due to colocating multiple executing applications on a single machine is critical for improving utilization in modern warehouse-scale computers (WSCs). Bubble-Up is the first mechanism for such precise prediction. As opposed to over-provisioning machines, Bubble-Up enables the safe colocation of multiple workloads on a single machine for Web service applications that have quality of service constraints, thus greatly improving machine utilization in modern WSCs.

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