Robust dynamic CPU resource provisioning in virtualized servers

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dc.contributor.authorMakridis, Evagoras
dc.contributor.authorDeliparaschos, Kyriakos M.
dc.contributor.authorKalyvianaki, Evangelia
dc.contributor.authorZolotas, Argyrios C.
dc.contributor.authorCharalambous, Themistoklis
dc.date.accessioned2020-03-05T16:59:00Z
dc.date.available2020-03-05T16:59:00Z
dc.date.issued2020-01-15
dc.description.abstractWe present robust dynamic resource allocation mechanisms to allocate application resources meeting Service Level Objectives (SLOs) agreed between cloud providers and customers. In fact, two filter-based robust controllers, i.e. H∞ filter and Maximum Correntropy Criterion Kalman filter (MCC-KF), are proposed. The controllers are self-adaptive, with process noise variances and covariances calculated using previous measurements within a time window. In the allocation process, a bounded client mean response time (mRT) is maintained. Both controllers are deployed and evaluated on an experimental testbed hosting the RUBiS (Rice University Bidding System) auction benchmark web site. The proposed controllers offer improved performance under abrupt workload changes, shown via rigorous comparison with current state-of-the-art. On our experimental setup, the Single-Input-Single-Output (SISO) controllers can operate on the same server where the resource allocation is performed; while Multi-Input-Multi-Output (MIMO) controllers are on a separate server where all the data are collected for decision making. SISO controllers take decisions not dependent to other system states (servers), albeit MIMO controllers are characterized by increased communication overhead and potential delays. While SISO controllers offer improved performance over MIMO ones, the latter enable a more informed decision making framework for resource allocation problem of multi-tier applications.en_UK
dc.identifier.citationMakridis E, Deliparaschos K, Kalyvianaki E, et al., (2022) Robust dynamic CPU resource provisioning in virtualized servers. IEEE Transactions on Services Computing, Volume 15, Issue 2, March-April 2022, pp. 956-969en_UK
dc.identifier.issn1939-1374
dc.identifier.urihttps://doi.org/10.1109/TSC.2020.2966972
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15237
dc.language.isoenen_UK
dc.publisherIEEEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectResource provisioningen_UK
dc.subjectvirtualized serversen_UK
dc.subjectCPU allocationen_UK
dc.subjectRUBiSen_UK
dc.subjectRobust predictionen_UK
dc.subjectH∞filteren_UK
dc.subjectMCC-KFen_UK
dc.subjectKalman filteren_UK
dc.titleRobust dynamic CPU resource provisioning in virtualized serversen_UK
dc.typeArticleen_UK

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