Master AWS Cloud Computing From Scratch

Clear, interactive, and structured AWS lessons designed for absolute beginners.

EC2 Instance Types

Instance types provide different balances of CPU, memory, network and other capabilities. The right type depends on workload characteristics.

Why it matters

Choosing an appropriate type helps avoid over-provisioning and poor performance.

How it works

Understand workload → identify CPU/memory/network needs → choose a suitable family/size → test performance → resize when necessary.

Real-world example: A CPU-heavy workload and a memory-heavy workload can require different instance families.

Core Concept

Instance families are designed for different combinations of general purpose, compute, memory, storage or accelerated workloads.

Start with measured requirements instead of choosing by size alone.

AMIOS + softwareEC2 InstanceComputeNetwork + StorageApplicationSpring Boot

What you should remember

Key idea

Instance families are designed for different combinations of general purpose, compute, memory, storage or accelerated workloads.

Key idea

Start with measured requirements instead of choosing by size alone.

Real-world example

Use a realistic cloud workload and focus on the responsibility of this AWS service.

User → AWS service → application → data / response

Choose the service that matches the responsibility instead of forcing every workload into one resource.

# Conceptual workflow aws-service --resource example # Verify configuration → test → monitor → clean up
Practice tip: Build the smallest possible lab, verify the result, then remove resources you no longer need.

Quick Test

1 Question

What is the main idea of this AWS lesson?