this post was submitted on 28 Jan 2024
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I honestly don't know, why async got so popular. It seems like the entire reason for doing it was that some blokes were hellbent on using JS on a server and couldn't fathom that a second thread might be a good idea.
Imagine a webser or proxy and for every incoming request it creates an new thread ๐ฃ
Yes you're right if it's a second or third thread it is/may be fine. But if you're i/o bound and your application has to manage quite a lot of that stuff in parallel, there is no way around delegating that workload to the kernel's event loop. Async/Await is just a very convenient abstraction of that Ressource.