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1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.

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Presentation on theme: "1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes."— Presentation transcript:

1 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes

2 2/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems Summary 1. Introduction 2. Virtualization 3. “What is the metter?” 4. PMRAV 5. Expirements 6. Discussion and future work

3 3/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 1. Introduction Cloud computing presents dependability problems on I/O bound services:

4 4/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 1. Introduction Cloud computing presents dependability problems on I/O bound services:

5 5/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems Summary 1. Introduction 2. Virtualization 3. “What is the metter?” 4. PMRAV 5. Expirements 6. Discussion and future work

6 6/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 2. Virtualization

7 7/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 2. Virtualization

8 8/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 2. Virtualization Server Virtualization Full Virtualization Virtual Box, VMWare Virtualization, KVM* Paravirtualization Xen No concensus OS virtualization Hardware-assisted virtualization

9 9/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems Summary 1. Introduction 2. Virtualization 3. “What is the metter?” 4. PMRAV 5. Expirements 6. Discussion and future work

10 10/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 3. “What is the metter?” Web cache proxy systems does not present acceptable availability and reliability when provided on VMs.

11 11/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 3. “What is the metter?” Reliability and Availability

12 12/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 3. “What is the metter?” Reliability and Availability

13 13/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 3. “What is the metter?” Reliability and Availability

14 14/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 3. “What is the metter?” Web cache proxy systems does not present acceptable availability and reliability when provided on VMs. How we arrived at this conclusion? Monitoring the system under analysis

15 15/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems Summary 1. Introduction 2. Virtualization 3. “What is the metter?” 4. PMRAV 5. Expirements 6. Discussion and future work

16 16/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 4. PMRAV Protocolo para Monitoramento de Recursos em Ambientes Virtuais Aim to: Provide a unified methodology to monitor: VMs resources PMs resources CPU, RAM, I/O, network Service metrics Web Cache Proxy System: Document Hit Ratio,(DHR), Byte Hit Ratio(BHR), Response Time(RT).

17 17/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 4. PMRAV Protocolo para Monitoramento de Recursos em Ambientes Virtuais netpipes

18 18/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 4. PMRAV Protocolo para Monitoramento de Recursos em Ambientes Virtuais Scenario

19 19/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems Summary 1. Introduction 2. Virtualization 3. “What is the metter?” 4. PMRAV 5. Expirements 6. Discussion and future work

20 20/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 5. Expirements PMs:

21 21/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 5. Expirements PMs:

22 22/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 5. Expirements VMs: PM running VM VM

23 23/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 5. Expirements VMs: PM running VM VM

24 24/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems Summary 1. Introduction 2. Virtualization 3. “What is the metter?” 4. PMRAV 5. Expirements 6. Discussion and future work

25 25/22 Erico Augusto C. Guedes MODCS - Modelling of Distributed and Concurrent Systems 6. Discussion and Future Work Tunning KVM CPU pinning NUMA x SMP Cache policies: write-through, write-back, none virtio driver Measure MTTF and MTBF Raj Jain, about measurements.

26 26/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes

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