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You have 200 images to resize. The resize API is fast, but it throttles at 10 concurrent requests. If you throw Promise.all(images.map(resize)) at it, you'll blast all 200 simultaneously, collect a pile of 429s, and watch your retry logic…
AdminJuly 31, 20265 min read
Call fib(45) naively and JavaScript will make over a billion recursive calls. Call it twice and you double that. Your CPU fan kicks on, the browser tab freezes, and the function you thought was fast becomes your performance bottleneck.
AdminJuly 31, 20266 min read