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A comment on Virtual Threads Arrive in JDK 21, Ushering a New Era of Concurrency. Parent comment

Re:Virtual Threads Arrive in JDK 21, Ushering a New Era of C... by nicktelford on Wednesday April 12, 2023 @08:46AM (#35538764)
> Now they hopefully can work around the kernel for file descriptors (network and disk) saving 30% CPU globally on all Java servers.

Can you expand on this a little? Are you referring to the necessity to copy between kernel memory and user-space memory, or something else?

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Re:Virtual Threads Arrive in JDK 21, Ushering a New Era of C... by hderms on Wednesday April 12, 2023 @09:30AM (#35539347)
Maybe io_uring?
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Re:Virtual Threads Arrive in JDK 21, Ushering a New Era of C... by bullen on Wednesday April 12, 2023 @11:41AM (#35541606)
Yes
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