Enoch Akhabue
Full-Stack Engineer Delivering Secure and scalable Systems
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You can add more workers, more servers, or more processing power and still have a slow system.
Sometimes the real limitation is dependency.
Imagine a process with five steps, where each step needs the result of the previous one before it can begin.
No matter how much capacity...
Two systems can store the same information and still perform very differently.
The difference may simply be how that information is organized.
Imagine processing thousands of records, but each operation only needs one small part of every record.
If the system keeps loading...
A system can be fast most of the time and still create a bad experience when it matters most.
Imagine two services.
One usually responds in 5 milliseconds, but occasionally takes 500.
The other usually responds in 7 milliseconds and rarely goes above 12.
The first looks faster if...
Making software faster is not always about doing more work. Sometimes, it is about eliminating work the system does not need to do.
Imagine an application processing thousands of records. If it repeatedly copies information it already has, it can consume additional memory and...
You wouldn't build the 10th floor of a building on a foundation made for two.
But that's what happens in software all the time.
Early on, shortcuts feel like speed. The app works, customers are happy, the team ships fast, so why slow down?
Then growth happens. 10x users. 10x...
