Autonomic Resource Provisioning for Cloud-Based Software
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Transcript of Autonomic Resource Provisioning for Cloud-Based Software
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Autonomic Resource Provisioning for
Cloud-Based Software
Pooyan Jamshidi
Supervisor: Dr. Claus Pahl
In collaboration with: Aakash Ahmad
IC4- Irish Centre for Cloud Computing and Commerce
School of Computing, Dublin City UniversityDepartment of Computer Engineering
Shahid Beheshti University, Tehran, Iran
30th Dec, 2013
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Elasticity
Measured
Service
Self
Service
Ubiquitous
Network
Access
Resource
Pooling
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~50% = wasted hardware
Actual traffic
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~75% = wasted hardwareActual traffic
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Really like this??
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Capacity we can provision with RobusT2Scale
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scale-up =bigger VMs
scale-out = more VMs
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SUT Criteria Big spike Dual phaseLarge
variations
Quickly
varying
Slowly
varying
Steep tri
phase
with
RobusT2Scale
𝑟𝑡95% 973ms 537ms 509ms 451ms 423ms 498ms
𝑣𝑚 3.2 3.8 5.1 5.3 3.7 3.9
with
overprovisioning
𝑟𝑡95% 354ms 411ms 395ms 446ms 371ms 491ms
𝑣𝑚 6 6 6 6 6 6
with under
provisioning
𝑟𝑡95% 1465ms 1832ms 1789ms 1594ms 1898ms 2194ms
𝑣𝑚 2 2 2 2 2 2
SLA with 𝒓𝒕𝟗𝟓 = 𝟔𝟎𝟎𝒎𝒔
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Benefits
Limitations, open issues
& future directions
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~75% = wasted hardwareActual traffic
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