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EC2 Instance Purchase Options (Reserved Most Flexible Most Expensive…
EC2 Instance Purchase Options
On-Demand
Most flexible
Most expensive if 24/7 usage
Reserved
Most Flexible
Most Expensive
Standard
(75% discount)
75% discount
1 - 3 yr commitment
Upfront (Biggest discount), Partial Upfront (less discount) and no Upfront (Least discount).
Reserve Instance Market Place to buy or sell instances in commitment period
Convertible
(54% discount)
Can change instance type to equivalent or more expensive
1 - 3 yr commitment
Scheduled
(5% - 10% discount)
Scheduled (i.e. 3 days a month)
Can only run instance during requested schedule only
1 yr commitment
Spot
: Amazon selling unused resources for a short period of time for a substantial discount
Give your max bid, when spot price is under you get usage of instance. When the price increases above your max bid, your instance terminates.
Use hibernate setting to avoid terminating and loosing all data from your instance when your EC2 starts up again.
Bid a higher spot price to get more compute time. You pay the price of demand at the time and not your highest bid.
Spot Block
: Uninterrupted 6 hrs of unused AWS resources
30% - 50% discount
up to 6 hrs uninterrupted compute block
Use case - batch processing, hadoop cluster, engineering simulations, financial analysis