How to choose an instance type on AWS (RDS and EC2)

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0:00 There are a lot of traps to avoid
0:25 Recommended instance types
0:42 Older generations have worse price-performance ratio
1:32 Databases are memory-bound, not CPU-bound
1:55 Different CPU/memory ratios
4:38 Don't lock yourself in
4:52 ARM (Graviton2) is cheaper
5:15 Use Multi AZ to increase reliability without DevOps overhead
6:28 Storage is independent of instance type
6:56 Don't use burstable instances
8:52 Don't use the micro RDS instance
9:23 EC2
9:33 Use burstable instances only for hobby projects
10:00 Vertical scaling offers a lot of headroom
11:24 Vertical scaling is cost-effective
11:46 2:1, 4:1, 8:1 and 16:1 memory:CPU ratios are available
12:24 Burstable instances cost more for the same resources
13:52 Use ARM if possible, else AMD, and Intel only as the last option
14:30 Billing should be predictable

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