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slides.0421.2011 - Reducing Costs of Spot Instances via...

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Reducing Costs of Spot Instances via Checkpointing in the Amazon Elastic Compute Cloud - Qingxi Li 1
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Outline Amazon Elastic Compute Cloud Checkpointing 2
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Cloud Computing Cloud computing is a model for enabling convenient, on- demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. NIST Sep 2010 3
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EC2: Instance Type - Hardware Standard instance instance CPU Memory Disk Small 1 core 1.7 GB 160 GB Large 4 cores 7.5 GB 850 GB Extra-large 8 cores 15 GB 1650 GB 4
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Standard instance Micro instance Lower throughput applications need significant compute cycles High-Memory instance High-CPU instance Cluster compute instance Cluster GPU instance EC2: Instance Type - Hardware 5
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EC2: Instance Type - Software Operating System Database Batch processing Web hosting Application development environment Application server Video encoding & streaming 6
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Pricing Models On-Demand Instance Pay by hour and without long-term commitment 7
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Price On-Demand 8
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Pricing Models On-Demand Instance Reserved Instance One-time payment for reserved capacity May have discount Long-term commitment 9
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Price - Reserved 10
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Pricing Models On-Demand Instance Reserved Instance Spot Instance Bid the capacity unused Cheaper than on-demand instance Can be cut at any time 11
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Spot Price fluctuation Rising edges More bidders Less resource High bids from users 12
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Spot Instance Model -Detail 13
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Spot Instance Model -Detail 14
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CheckPointing - Hourly One hour is the smallest unit of pricing 15
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CheckPointing Rising edge Rising edges: The aborting possibility is rising 16
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CheckPointing - Adaptive Taking hourly checkpointing if H skip (t)>H take (t) H skip (t): Expected recovery time if we skip the hourly checkpointing.
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