RDS Instance Classes ⚙️

Alright, noob — you’ve created your RDS instance 🎉
Now you’re staring at options like db.t3.micro, db.m6g.large, db.r5.xlarge and wondering...

“Is this a secret code or a new transformer model?” 🤖

Don’t worry, Kahnu’s got you covered 😎

What Are Instance Classes? 🧠

RDS instance classes are predefined hardware configurations (CPU + RAM + network power)
Think of them like sizes of pizzas 🍕 — same toppings (database engine), but different sizes and prices.

AWS gives you three main families:

Family	Purpose	Example
Burstable	Cheap, great for small workloads	db.t3, db.t4g
Standard	Balanced compute and memory	db.m6g, db.m5
Memory-Optimized	For memory-hungry databases	db.r6g, db.r5

1. Burstable Instances (t3 / t4g) 🐢💨

These are the budget-friendly heroes 💰
They give you CPU credits — your instance runs slow when idle but bursts fast when needed.

Best for:

• Test environments
• Small apps and blogs
• Development databases

Example sizes:

Type	vCPUs	Memory
db.t3.micro	2	1 GB
db.t3.small	2	2 GB
db.t3.medium	2	4 GB
db.t4g.medium	2	4 GB (ARM-based, cheaper!)

💡 Tip: If your DB stays busy all the time, don’t use t-series — they’ll throttle your performance 😅

2. Standard Instances (m5 / m6g) ⚖️

Balanced between CPU, memory, and cost — like the “medium combo meal” 🍔🥤

Best for:

• Web apps
• E-commerce sites
• Medium-sized production workloads

Example sizes:

Type	vCPUs	Memory
db.m6g.large	2	8 GB
db.m6g.xlarge	4	16 GB
db.m6g.2xlarge	8	32 GB

💡 Tip: m6g uses AWS Graviton2 processors — cheaper and faster if your DB supports ARM architecture 🧠

3. Memory-Optimized Instances (r5 / r6g) 🧠💪

These are the beasts built for memory-intensive workloads.
If your database loves RAM more than your laptop does — this is your guy 🐘

Best for:

• Big enterprise databases
• Data analytics workloads
• High-performance apps

Example sizes:

Type	vCPUs	Memory
db.r6g.large	2	16 GB
db.r6g.xlarge	4	32 GB
db.r6g.2xlarge	8	64 GB

💡 Tip: These are expensive — so if you’re just testing, your wallet will cry 💸

Kahnu’s Quick Analogy 🎭

Instance Family	Analogy	Best For
t-series	Scooter 🛵	Small trips (testing, dev)
m-series	Sedan 🚗	Balanced for daily use
r-series	Truck 🚛	Heavy-duty hauling (data-heavy apps)

How to Choose Wisely 💡

• Start with db.t3.micro if you’re experimenting 🧪
• Move to db.m6g.large when your traffic grows 📈
• Go db.r6g when your DB starts eating RAM for breakfast 🍳

Kahnu’s Pro Tip 😎

“Always pick the instance that fits your current workload, not your dreams of world domination.” 🌎

AWS lets you resize anytime — so start small, scale smart.