But I could just offload the CPU bound work to a b...
# ktorm
Marc Knaup
10/01/2018, 9:45 PMBut I could just offload the CPU bound work to a background thread and prevent the OTHER coroutines from being blocked, couldn't I?
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elizarov
10/02/2018, 6:27 AMOther coroutines will not be blocked. They (usually) run on a thread pool
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Marc Knaup
10/02/2018, 8:50 AMI don't know for sure about ktor though. Isn't that internal to ktor? If it uses a thread pool, does it use it's own one? What's the thread limit?
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elizarov
10/02/2018, 8:52 AMIt is configurable. # of CPU cores by default, so it is designed for CPU-bound tasks.
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Marc Knaup
10/02/2018, 8:56 AMSo if I have 4 cores and just 4 requests are CPU bound and take a while, no further requests can be handled even if they are very lightweight?
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elizarov
10/02/2018, 9:21 AMYou are not supposed to block those threads. If all your code is async, you can handle tens of thousands of concurrent requests
elizarov
10/02/2018, 9:22 AMIf you have code that blocks thread, then you should consider moving that particular code to a dedicated thread-pool using
withContext(myPool) { ... }2 Views