System Design Classroom

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What’s an event and what should be inside?
Event-driven communication is odd compared to request-response calls.
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Raul Junco
2
Horizontal Scaling Starts with Load Balancers – But Doesn’t Stop There
Two Practical Ways to Scale Beyond Load Balancers.
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Raul Junco
8
I have seen this mistake in production. The Dual Write Problem is not a myth.
Two solutions deal with it.
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Raul Junco
6

October 2024

Not All Features Are Equal
Optimize Your System for What Matters Most.
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Raul Junco
2
Happy paths only exists in YouTube tutorials
In the real world, you need "something" in charge—an orchestrated approach.
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Raul Junco
11
Queues, Topics, and Their Trade-offs
Five questions to pick the "right" one.
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Raul Junco
11
Work Queues: The Simplest Form of Batch Processing
An Easy and Scalable Solution for Managing Tasks
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Raul Junco
8
Failing Silently is also an Option.
You can do better than showing Error Messages. Learn when and how.
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Raul Junco
4

September 2024

Even Data Can't Escape Physics: It Has Temperature, and It Has Gravity!
And these hidden forces impact your costs.
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Raul Junco
8
Did they tell you how to split the Database?
There are many posts about splitting your monolithic source code, but none of them explain how to split your Database. This is my humble intent.
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Raul Junco
8
System design isn't a Cut & Paste job.
Templates and checklists are helpful tools, but they only work if you dive deep to understand the problem. Here’s how:
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Raul Junco
11
In the real world, you might need more than a simple Work Queue.
As systems become more complicated, you need to link work queues together. And these 5 Patterns of Event-Driven Processing give you a blueprint.
 • 
Raul Junco
4
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