Resource pool management: Reactive versus proactive or let's be friends

Resource pool management: Reactive versus proactive or let's be friends

19 Pages · 2009 · 946 KB · English

The consolidation of multiple workloads and servers enables the efficient use of server and power resources in shared .. Workload Number. 99th Percentile. 97th Percentile. 95th Percentile. Mean Value. Fig. 3. Top percentile of CPU demand for applications under study. 2 Service providers can use the

Resource pool management: Reactive versus proactive or let's be friends free download

This article appeared in a journal published by Elsevier The attached copy is furnished to the author for internal noncommercial research and education use, including for instruction at the authors institution and sharing with colleagues Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited In most cases authors are permitted to post their version of the article (eg in Word or Tex form) to their personal website or institutional repository Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: http://wwwelseviercom/copyright Resource pool management: Reactive versus proactive or let’s be friends Daniel Gmach a,* , Jerry Rolia a, Ludmila Cherkasova a, Alfons Kemper b aHewlettPackard Laboratories, Palo Alto, CA, United StatesbTechnische Universität München, 85748 Garching, München, Germany article info Article history: Available online 20 August 2009 Keywords: Virtualized data centres Resource pool management Enterprise workload analysis Simulation abstract The consolidation of multiple workloads and servers enables the efficient use of server and power resources in shared resource pools We employ a tracebased workload placement controller that uses historical information to periodically and proactively reassign work loads to servers subject to their quality of service objectives A reactive migration controller is introduced that detects server overload and underload conditions It initiates the migra tion of workloads when the demand for resources exceeds supply Furthermore, it dynam ically adds and removes servers to maintain a balance of supply and demand for capacity while minimizing power usage A host load simulation environment is used to evaluate several different management policies for the controllers in a time effective manner A case study involving three months of data for 138 SAP applications compares three integrated controller approaches with the use of each controller separately The study considers tradeoffs between: (i) required capacity and power usage, (ii) resource access quality of service for CPU and memory resources, and (iii) the number of migrations Our study sheds light on the question of whether a reactive controller or proactive workload placement controller alone is adequate for resource pool management The results show that the most tightly integrated controller approach offers the best results in terms of capacity and qual ity but requires more migrations per hour than the other strategies 2009 Elsevier BV All rights reserved 1 Introduction Virtualization is gaining popularity in enterprise envi ronments as a softwarebased solution for building shared hardware infrastructures Forrester Research estimates that businesses generally only end up using between 8% and 20% of the server capacity they have purchased Virtualization technology helps to achieve greater system utilization while lowering total cost of ownership and responding more effectively to changing business condi tions For large enterprises, virtualization offers a solution for server and application consolidation in shared resource pools The consolidation of multiple servers and their workloads has an objective of minimizing the number of resources, eg, computer servers, needed to support the workloads In addition to reducing costs, this can also lead to lower peak and average power requirements Lowering peak power usage may be important in some data centres if peak power cannot easily be increased Applications participating in consolidation scenarios can make complex demands on servers For example, many enterprise applications operate continuously, have unique time varying demands, and have performanceoriented Quality of Service (QoS) objectives To evaluate which workloads can be consolidated to which servers, some pre liminary performance and workload analysis should be done In the simple naive case, a data centre operator may estimate the peak resource requirements of each workload and then evaluate the combined resource requirements of a group of workloads by using the sum of their peak demands However, such an approach can 13891286/$ see front matter 2009 Elsevier BV All rights reserved doi: 101016/jcomnet200908011 *Corresponding author Tel: +1 650 857 4955 Email addresses: [email protected] (D Gmach),[email protected] com (J Rolia), [email protected] (L Cherkasova),alfo[email protected] intumde (A Kemper) Computer Networks 53 (2009) 2905–2922 Contents lists available at ScienceDirect Computer Networks journal homepage: wwwelseviercom/locate/comnet lead to significant resource overprovisioning since it does not take into account the benefits of resource sharing

------------- Read More -------------

Download resource-pool-management-reactive-versus-proactive-or-let-s-be-friends.pdf

Resource pool management: Reactive versus proactive or let's be friends related documents

The European Car Parking Sector Sees M&A Flurry, But Will It Be An Easy Ride For Investors?

11 Pages · 2017 · 813 KB · English

The European Car Parking Sector Sees M&A Flurry, But Will It Be An Easy Ride For Investors? Dec. 6, 2017. 2. Despite lots of M&A activity in the. European car parking sector, the future is somewhat uncertain. Acquisitions are the major growth catalyst for operators, but

Bacterial Indicator of Agricultural Management for Soil under No-Till Crop Production

12 Pages · 2012 · 570 KB ·

influenced by management factors, and by climate and soil type as well. In view of that, .. of richness as a function of either geographical location or soil .. Bockstaller C, Guichard L, Makowski D, Aveline A, Girardin P, et al. (2008).

LAPPEENRANTA UNIVERSITY OF TECHNOLOGY School of Business and Management Master's ...

111 Pages · 2016 · 1.24 MB · English

kuluttajien osallistaminen voi määrittää ison osan yrityksen arvosta, ja sillä tulee olemaan suuri merkitys .. The ones that find the means to that will be the leaders of tomorrow. 1.1. Salomon is a globally known brand, headquartered in Annecy (France) and born in. 1947. Salomon is committed

Assessment of Communication Technologies for a Home Energy Management System

5 Pages · 2013 · 937 KB ·

In [9], the authors present a ZigBee wireless sensor network simulation in network using ZigBee. In the literature, the in OPNET using two communication schemes, i.e., Always-on . In this paper, a typical single story house in the U.S Interference (RFI) – the electronic noise produced by electr

Pacific Grove's

16 Pages · 2013 · 2.74 MB ·

organization online, on mobile and at the ballot box .. No dog barking was heard during multiple checks over two nights. Why wasn't . Show your ticket stubs when you arrive. The tantric path is an all inclusive path; it is about.

Underwriting policy, product parameters and management guidelines

55 Pages · 2011 · 376 KB · English

Genworth lmi unerwrtng Poc an Prouct Parameter – autraa – Januar 2012 2 Disclaimer This is the Lenders Mortgage Insurance (LMI) Underwriting Policy by which

A Term Structure Model with Cyclical Mean Reversion: Pricing and Risk Management

53 Pages · 2013 · 2.07 MB · English

Keywords: Interest rates, term structure, continuous-time model, derivatives pricing, Fourier series. JEL classification: Martınez, Paul MacManus, Pedro Serrano, and attendants at the 4th International Finance and Banking Society. (IFABS) Section 2 introduces the posited model, its main features

AIDS: ''It's the bacteria, stupid!

8 Pages · 2008 · 566 KB ·

b Kaiser Permanente Medical Center, 11668 Sherman Way, North Hollywood, CA Please cite this article in press as: Broxmeyer L, Cantwell A, AIDS: ''It's the bacteria, stupid! . Lost in the history of microbiology is the concept of.

MedImmune - U S Food and Drug Administration Home Page

22 Pages · 2010 · 226 KB · English

100126_clean Influenza A (H1N1) 2009 Monovalent Vaccine Live, Intranasal_USPI_submitted [ID09H0101] + WHO Page 1 of 22 HIGHLIGHTS OF PRESCRIBING INFORMATION