I don't think we make any guarantees about thread count right now, over and above bounded and relatively small.
We are moving to a new design around a thing called EventEngine, which will allow pluggable IO, thread pools, and timers. I expect once that work is done we'll be in a position to start to write down some level of guarantees (I hope, but can't yet commit to 0 threads outside of EventEngine being a reasonable bar to hit). On Thu, Jun 17, 2021 at 10:38 AM 'Jonathan Basseri' via grpc.io < grpc-io@googlegroups.com> wrote: > Just to add some detail to this question, Alex and I work on a platform > which exerts a lot of control over threads and allocations to guarantee > high throughput and low latency. We would like to begin exposing gRPC > services from the platform without compromising performance. > > Our hope was to write an async server which would enqueue work in our own > thread manager and go right back to listening for incoming requests. We > have seen the APIs for controlling concurrency in both > `ResourceQuota` and `CompletionQueue` (e.g. here > <https://stackoverflow.com/a/52301414>) but it seems like there are still > internal gRPC threads. > > So it comes down to these questions: *Can I control the total number of > threads*, both short-lived and long-lived, that gRPR creates? If not, can > I provide a strong guarantee about the max # of threads? > > (Getting arenas to work with our custom allocator is probably a topic for > a future thread.) > > Thanks for your help, > Jonathan > > On Wednesday, June 16, 2021 at 4:28:48 PM UTC-7 Alex Zuo wrote: > >> I am trying to understand how many internal threads gRPC creates in async >> mode. I find some timer threads, and some threads in Executor. Are there >> any threads? Are there any short-lived thread? >> >> Also are there any threads to receive bytes from socket and deserialize >> them? >> > -- > You received this message because you are subscribed to the Google Groups " > grpc.io" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to grpc-io+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/grpc-io/4fba9ffc-0d00-40bc-887f-e5134a494f83n%40googlegroups.com > <https://groups.google.com/d/msgid/grpc-io/4fba9ffc-0d00-40bc-887f-e5134a494f83n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/CAAvp3oN-o_CN7XrqfHzTCM0zPoxpyMjp5iQxj1hKCqAKF8zDgg%40mail.gmail.com.
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