It’s the Thundering Herd Problem. See https://en.wikipedia.org/wiki/Thundering_herd_problem https://en.wikipedia.org/wiki/Thundering_herd_problem In short, if

It’s the Thundering Herd Problem. See https://en.wikipedia.org/wiki/Thundering_herd_problem https://en.wikipedia.org/wiki/Thundering_herd_problem In short, if it’s all at the same schedule you’ll end up with surges of requests followed by lulls. You want that evened out to reduce stress on the server end.