Deep Dive - What it actually cost to Scale to 1 Million Requests per Second
1,000,000 Requests Per Second (RPS) on a single instance. The result? We hit it. But the bottleneck wasn’t the code logic. It wasn’t the database. It was the AWS billing department.
Thought - How Atom built its own Assassin?
They built a runtime that allowed developers to create desktop applications using the web stack (HTML, CSS, JavaScript). They called it Atom Shell (Electron).
Database - How Over-Indexing cost us in Performance?
We love Indexes, they are the first tool we reach for when a query is slow. But do you know every Index you add to speed up reads has a performance cost on every write.
Deep Dive - Why Linux Process creation is weird?
In the Unix world, creating a new process is not an act of construction, it is an act of biological division followed by a brain transplant.
Stop Looking for Bugs in Code Reviews
Add the cost of the context switch, which research shows takes ~23 minutes to recover from, and that comment about a variable name just cost the company $100 to $500 in lost productivity.
JavaScript - The Garbage Collector is Your Roommate (and you are a bad tenant)
You are not the landlord of this memory. You are just a tenant. And the cleaning service, V8’s Garbage Collector (GC), doesn’t come on your command. It comes when it feels like it.