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5.43: EC2 Instance Purchase Options, Types, Example - Coggle Diagram
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Types
Reserved
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specific instance attributes (type, region, tenancy, os)
On demand
short workload, predict price
Saving plan
commit amount of usage, long workload
Spot instance
short, cheap, not reliable
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Example
On demand: coming and staying in resort whenever we like, we pay the full price
Reserved: like planning ahead and if we plan to stay for a long time, we may get a good discount
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Spot instances: hotel allow people to bid the empty rooms and highest bidder keep the room -> you can get kickout anytime
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