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Re:What the Hell Is a Deno? by adev_ on Thursday June 04, 2020 @06:46AM (#23414906)
> There's a legitimate concern about async-awaits — they don't have an inbuilt cancellation mechanism. May not be a big thing for the server;

They are definitively a big thing for the server.

The lack of cancellation mechanism and pre-emption + single threaded nature are the main reasons why the P95 latency of Nodejs App tend to get horrible under load.

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