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Improving Energy Efficiency in Data Centers and federated Cloud Environments A Comparison of CoolEmAll and Eco2Clouds approaches and metrics Eugen Volk,

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Presentation on theme: "Improving Energy Efficiency in Data Centers and federated Cloud Environments A Comparison of CoolEmAll and Eco2Clouds approaches and metrics Eugen Volk,"— Presentation transcript:

1 Improving Energy Efficiency in Data Centers and federated Cloud Environments A Comparison of CoolEmAll and Eco2Clouds approaches and metrics Eugen Volk, Axel Tenschert, Michael Gienger (HLRS) Ariel Oleksiak (PSNC) Laura Sisó, Jaume Salom (IREC) EuroEcoDC20131

2 Outline Motivation CoolEmAll – the project Eco2Clouds – the project Comparison of approaches Comparison of metrics Conclusion EuroEcoDC20132

3 3 Situation today: ICT sector is responsible for around 2 % of the global energy consumption Energy consumption in a data centre: Result of executing workloads (user jobs) on (HPC/Cloud) resources Energy consumptions depends on: workload (jobs) application type (nature of jobs) Efficiency of HW resources (and usage level) Cooling efficiency (depends on environmental conditions and heat load) In many data centres, 50 % of the energy is consumed by cooling (resulting in bad energy efficiency)  energy savings are addressed in CoolEmAll and Eco2Clouds projects Motivation

4 EuroEcoDC20134 Motivation CoolEmAll - focus on building energy efficient data centers (taking a holistic approach) Eco2Cloud - focus on energy-efficient cloud-application deployment in federated cloud-environments Both projects make use of energy-efficiency metrics to describe application profiles (resource usage) to assess efficiency of data center- and cloud resources to assess energy-costs of application and workload execution for various data center granularity levels and - sites. Purpose of this presentation is to show overlaps between the both projects, addressing: Approaches and metrics used within the both projects

5 COOLEMALL EuroEcoDC20135

6 CoolEmAll EU Project: Goal: improve energy-efficiency of modular data centers by optimization of their design and operation for a wide range of workloads, IT equipment and cooling options Main results: -Simulation, visualization and decision support toolkit (SVD Toolkit), allowing optimisation of modular data centre building blocks a for wide range of options -ComputeBox Blueprints and Data Centre Efficiency Building Blocks (DEBBs), reflecting HW and facility- configuration/models on various granularity level, used by SVD Toolkit. DEBBs are well described by energy-efficiency metrics 6 CoolEmAll Goal EuroEcoDC2013

7 Scale Rack(s) Container(s) Density High density (up to hundreds nodes in a rack) Low density Cooling Integrated No integrated cooling Arrangement Position CRAC Higher server room temperature Free air cooling Liquid cooling Application types HPC Virtual machines Application characteristics CPU-bound IO-bound Scale Workload mngmt policies Workload consolidation Energy-aware policies Thermal-aware policies 7 CoolEmAll Approach EuroEcoDC2013 Visualisation Air/heat flow distribution map Evaluation Metrics Cooling / Airflow related metrics Energy/Power related metrics (PUE) Productivity metrics Interaction Rearrangement Env. Conditions... Data Center efficiency Building Blocks (DEBB) – models of IT equipment on various scale level

8 Coupled Simulation (1)Workload- and HW behavior (2)Simulation of cooling and heat processes (air + liquid) Energy-Efficiency Metrics to assess simulation results Holistic approach Workload and Resource Simulation CFD Simulation Metrics Calculation Integrated analysis of workloads, IT equipment, and heat transfer EuroEcoDC20138 User Driven Optimization Cycle (Plan, Do, Check, Act): - Plan: Select/Set input parameters - Do simulation; Check assess results; Act: Decide on Changes

9 What is a DEBB? – D ata Center E fficiency B uilding B lock – The DEBB is an abstraction for computing and storage hardware and describes energy efficiency of data-center building blocks on different granularity-levels. Purpose: To find the most energy efficient configuration while planning a data center – Used for thermodynamic modeling (SVD Toolkit) – Used for configuration and reconfiguration Availability – To be publicly available – Defined according to open specification EuroEcoDC20139 DEBB

10 Granularity-levels – Node unit single blade CPU unit (for instance a RECS CPU module) – Node group assembled unit of node units (for instance a complete RECS18) – ComputeBox1 reflects a typical rack – ComputeBox2 Reflects a container or a Data Centre filled with racks and additional infrastructure EuroEcoDC201310 DEBB Granularity Levels

11 ECO2CLOUDS EuroEcoDC201311

12 EuroEcoDC201312 Eco2Clouds Goal Eco2clouds EU Project: Goal: The overall goal is the introduction of ecological concerns (energy efficiency or CO2 footprint) while developing cloud infrastructures or cloud-based applications. Focus on energy-aware application deployment and execution on the cloud infrastructure in federated environments, reducing energy consumption and CO2 emissions Main results: energy aware deployment strategies, Models, Architectures, SW tools, design guidelines

13 Eco2Clouds approach ECO2Clouds scheduler controls and manage the execution of cloud services dynamically, with respect to combine: – power consumption – processing performance in an optimal fashion keeping the overall optimum For measuring the greenness of an application (deployment of an execution), several metrics are considered on following levels: – physical infrastructure – virtual infrastructure, – service infrastructure – the whole datacenter EuroEcoDC201313

14 Eco2Clouds - Architecture EuroEcoDC201314


16 EuroEcoDC201316 Comparison criteria Approach type: simulation/model based vs. real/situation based Data Center lifecycle phases: planning, design, construction, commission, turnover & transition, operation Granularity level: node, node-group (server), rack, data center, federation of data centers Application type: HPC, Cloud Level of details: how complex are models covered in scope of the approach (high, medium, low) Scope: how broad is the scope covered within the approach, metered in terms parameters taken into account

17 EuroEcoDC201317 Comparison of approaches


19 EuroEcoDC201319 GAMES GPIEco2CloudsCoolEmAll Organization Out of the focus of CoolEmAll FacilityCloud SiteData Centre Rack Compute Node Node-Group Node VirtualisationAddressed in scope of (cloud) applications ApplicationApplication, Services Application (HPC, Cloud) Comparison of layers

20 Metrics Resource Usage metrics: characterize the IT resource (CPU, CPU, Memory, I/O, Storage, Network) usage of applications and their environment. Their utilization can be measured on various level of granularity. Energy metrics: It includes metrics addressed to the energy impact of data centre considering all its components and subsystems, whereas are distinguished: – Power-based metrics: Metrics defined under power terms. The information provided is useful for designers because it drives to peak power measurements. – Energy-based metrics: Metrics defined under energy terms where the time of the measurement must be chosen. – Heat-aware metrics: The heat-aware metrics take into account temperature to characterize the energy behavior of the data centre building blocks. Green metrics: These metrics describe the impact of the operation of a data centre in the natural environment. Financial metrics: These metrics describe the financial impact of the operation of a data centre in a business organization. EuroEcoDC201320

21 EuroEcoDC201321 Node level

22 EuroEcoDC201322 Node-Group level

23 EuroEcoDC201323 Data Center level

24 EuroEcoDC201324 Data Center level

25 EuroEcoDC201325 Virtualization level

26 Conclusion on metrics Many metrics are very similar (as they originate from the GAMES project) The difference between the few metrics is a result of different approaches project-focuses addressed life-cycle-phases Spectrum supported application-types EuroEcoDC201326

27 SUMMARY EuroEcoDC201327

28 Description of the both projects: CoolEmAll and Eco2Clouds Comparison of approaches: CoolEmall – simulation based assessment Eco2Cloud – situation based assessment Comparison of metrics: Very similar – as they originate from the GAMES Differences – result of approaches Potential for combination of the both approaches in several ways: I.According to data center life-cycle II.Moving Eco2Clouds towards model based approach III.Apply Eco2Clouds monitoring infrastructure to calibrate CoolEmAll models Summary EuroEcoDC201328

29 Questions? Email: volk [at] EuroEcoDC201329

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