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What makes an application scalable

Leveraging client computing power for high performance with many users

May 11, 2020 -

As part of the online food ordering app I'm building, I needed to design a scalable backend infrastructure that could handle lots of concurrent users. Scalability is considered a hard problem to tackle. Often it's presented like it's something magical, done by million dollar companies using secret tools. But, there is no such thing as magic, or is there?

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Handling lots of traffic through distributed computing
Handling lots of traffic through distributed computing
Separating the remaining server workload: serving products and handling orders
Separating the remaining server workload: serving products and handling orders
Ordering food online
Ordering food online
Leveraging a user's device: the user's phone does most of the work originally done by the server
Leveraging a user's device: the user's phone does most of the work originally done by the server
Smartphones (and tablets, PC's) have become more powerful over the years (image: Apple)
Smartphones (and tablets, PC's) have become more powerful over the years (image: Apple)
Server under high load handling multiple concurrent users
Server under high load handling multiple concurrent users

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