[External] : Re: Project Loom VirtualThreads hang

Ron Pressler ron.pressler at oracle.com
Wed Jan 4 23:50:33 UTC 2023



> On 4 Jan 2023, at 23:47, Ron Pressler <ron.pressler at oracle.com> wrote:
> 
> Virtual threads make blocking cheap *because* they can be numerous. Put another way, blocking platform threads is expensive because it consumes a very limited time for a long duration, which, by Little’s law, places a low limit on throughput. The impact of blocking on server throughput due to the number of threads is orders of magnitude higher than due to any other effect.
> 


* consumes a very limited RESOURCE for a long duration


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