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Asked: 2026-05-24T21:27:55+00:00

or something else to queue up the rest of my function? and use callbacks

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or something else to queue up the rest of my function? and use callbacks or does node handle that automatically?

I imagine that I would need to start my code and if there are other things that need to occur I should be giving up my functions control to give other events control. Is this the case? Or can i be stingy and node will cut off my function when I have used enough time?

Thanks.

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  1. Editorial Team

    If your long-running function does a lot of I/O just make sure that you do this in a non-blocking way. This is how node.js achieves concurrency even though it only has a single thread: As soon as any task needs to wait for something, another task gets the CPU.

    If your long-running function needs uninterrupted CPU time (or the I/O cannot be made asynchronously) , then you probably need to fork out a separate process, because otherwise every one else will have to wait until you are done.

    Or can i be stingy and node will cut off my function when I have used enough time?

    No. This is totally cooperative multi-tasking. Node cannot preempt you.

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