1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing...
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Transcript of 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing...
![Page 1: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/1.jpg)
1/22
Workshop MODCS 2012.2
Dependability Investigation of
I/O Bound Services on
Cloud Computing
Erico Augusto Cavalcanti Guedes
![Page 2: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/2.jpg)
2/22Erico Augusto C. GuedesMODCS - 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
![Page 3: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/3.jpg)
3/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
1. Introduction
• Cloud computing presents dependability problems on I/O bound services:
![Page 4: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/4.jpg)
4/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
1. Introduction
• Cloud computing presents dependability problems on I/O bound services:
![Page 5: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/5.jpg)
5/22Erico Augusto C. GuedesMODCS - 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
![Page 6: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/6.jpg)
6/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
2. Virtualization
![Page 7: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/7.jpg)
7/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
2. Virtualization
![Page 8: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/8.jpg)
8/22Erico Augusto C. GuedesMODCS - 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
![Page 9: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/9.jpg)
9/22Erico Augusto C. GuedesMODCS - 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
![Page 10: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/10.jpg)
10/22Erico Augusto C. GuedesMODCS - 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.
![Page 11: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/11.jpg)
11/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
3. “What is the metter?”
• Reliability and Availability
![Page 12: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/12.jpg)
12/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
3. “What is the metter?”
• Reliability and Availability
![Page 13: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/13.jpg)
13/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
3. “What is the metter?”
• Reliability and Availability
![Page 14: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/14.jpg)
14/22Erico Augusto C. GuedesMODCS - 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
![Page 15: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/15.jpg)
15/22Erico Augusto C. GuedesMODCS - 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
![Page 16: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/16.jpg)
16/22Erico Augusto C. GuedesMODCS - 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).
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17/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
4. PMRAV
• Protocolo para Monitoramento de Recursos em Ambientes Virtuais
• netpipes
![Page 18: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/18.jpg)
18/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
4. PMRAV
• Protocolo para Monitoramento de Recursos em Ambientes Virtuais
• Scenario
![Page 19: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/19.jpg)
19/22Erico Augusto C. GuedesMODCS - 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
![Page 20: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/20.jpg)
20/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
5. Expirements• PMs:
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21/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
5. Expirements• PMs:
![Page 22: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/22.jpg)
22/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
5. Expirements• VMs:
PM running VM VM
![Page 23: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/23.jpg)
23/22Erico Augusto C. GuedesMODCS - Modelling of Distributed and Concurrent Systems
5. Expirements• VMs:
PM running VM VM
![Page 24: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/24.jpg)
24/22Erico Augusto C. GuedesMODCS - 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
![Page 25: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/25.jpg)
25/22Erico Augusto C. GuedesMODCS - 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.
![Page 26: 1/22 Workshop MODCS 2012.2 Dependability Investigation of I/O Bound Services on Cloud Computing Erico Augusto Cavalcanti Guedes.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f275503460f94c3e9c1/html5/thumbnails/26.jpg)
26/22
Workshop MODCS 2012.2
Dependability Investigation of
I/O Bound Services on
Cloud Computing
Erico Augusto Cavalcanti Guedes