Hi there,

@sreecha actually produced a detailed document on this 
at https://github.com/grpc/grpc/blob/master/doc/epoll-polling-engine.md . 
I'd highly recommend it if you're interested in how gRPC C++ core's polling 
works.

Regards,
Vijay

On Thursday, February 8, 2018 at 2:07:06 AM UTC-8, Marios-Evaggelos Kogias 
wrote:
>
> Thank you very much for your reply Vijay. 
> So just to make it clear, any thread can call epoll and then do 
> network and application processing. Is there a way you allocate 
> connections per threads or all threads have all connections in their 
> epoll group and connections are protected by locks to avoid serving 
> the same connection in two threads at the same time? 
>
> Thanks 
>
> 2018-02-08 8:32 GMT+01:00 'Vijay Pai' via grpc.io <grp...@googlegroups.com 
> <javascript:>>: 
> > The gRPC C++ core (wrapped by APIs in C++, Python, etc) does not use 
> > dedicated threads for the network communication needs of RPCs; these are 
> > borrowed from applications or wrapped language implementations when they 
> > call into the library. There are a few dedicated threads for purposes 
> like 
> > timer management and DNS resolution, but not for actual RPC 
> communication. 
> > 
> > On Wednesday, February 7, 2018 at 2:25:42 AM UTC-8, marios...@gmail.com 
> > wrote: 
> >> 
> >> Thank you very much for the information on threading. I have a question 
> >> regarding network and application processing. 
> >> 
> >> Does gRPC have dedicated threads doing network processing and then 
> >> dispatch work to the thread pools, or net processing is multiplexed on 
> the 
> >> same threads that do application processing? 
> >> 
> >> Τη Πέμπτη, 28 Ιανουαρίου 2016 - 3:13:51 μ.μ. UTC+1, ο χρήστης 
> >> lukem...@gmail.com έγραψε: 
> >>> 
> >>> What is the GRPC server threading model?  For example, if I write a 
> GRPC 
> >>> C++ server, will GRPC automatically spawn multiple threads (or use an 
> >>> eventing model) to handle multiple simultaneous client requests?  Are 
> there 
> >>> any configuration parameters I can modify that will impact the number 
> of 
> >>> supported simultaneous client connections? 
> >>> Also, are there any differences in the GRPC server threading model 
> used 
> >>> in a C++ server vs a Csharp server? 
> >>> 
> >>> Luke 
> > 
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