NDLI: A-DRM: Architecture-aware Distributed Resource Management of Virtualized Clusters

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A-DRM: Architecture-aware Distributed Resource Management of Virtualized Clusters

Content Provider	ACM Digital Library
Author	Subramanian, Lavanya Qian, Depei Choi, Jongmoo Isci, Canturk Wang, Hui Mutlu, Onur
Abstract	Virtualization technologies has been widely adopted by large-scale cloud computing platforms. These virtualized systems employ distributed resource management (DRM) to achieve high resource utilization and energy savings by dynamically migrating and consolidating virtual machines. DRM schemes usually use operating-system-level metrics, such as CPU utilization, memory capacity demand and I/O utilization, to detect and balance resource contention. However, they are oblivious to microarchitecture-level resource interference (e.g., memory bandwidth contention between different VMs running on a host), which is currently not exposed to the operating system. We observe that the lack of visibility into microarchitecture-level resource interference significantly impacts the performance of virtualized systems. Motivated by this observation, we propose a novel architecture-aware DRM scheme (ADRM), that takes into account microarchitecture-level resource interference when making migration decisions in a virtualized cluster. ADRM makes use of three core techniques: 1) a profiler to monitor the microarchitecture-level resource usage behavior online for each physical host, 2) a memory bandwidth interference model to assess the interference degree among virtual machines on a host, and 3) a cost-benefit analysis to determine a candidate virtual machine and a host for migration. Real system experiments on thirty randomly selected combinations of applications from the CPU2006, PARSEC, STREAM, NAS Parallel Benchmark suites in a four-host virtualized cluster show that ADRM can improve performance by up to 26.55%, with an average of 9.67%, compared to traditional DRM schemes that lack visibility into microarchitecture-level resource utilization and contention.
Starting Page	93
Ending Page	106
Page Count	14
File Format	PDF
ISBN	9781450334501
DOI	10.1145/2731186.2731202
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-03-14
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Microarchitecture Live migration Resource management Performance counters Virtualization
Content Type	Text
Resource Type	Article

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