On Thu, Dec 22, 2022 at 1:47 PM y <liuyaol...@gmail.com> wrote: > > > If service a and service b are implemented on the same server, do they > share the same thread pool? >
Yes. But you can provide a threadpool/executor per server : ServerBuilder.executor() > > On Thu, Dec 22, 2022 at 1:14 PM 'sanjay...@google.com' via grpc.io < > grpc-io@googlegroups.com> wrote: > >> >>>>> Wondering if there is limited token by default for auto flow control? >>>>> >>>> >>>> I guess there has to be a limit for backpressure to work. Are you >>>> asking if it's possible to change the token limit? >>>> >>> Yeah. I am asking what the limit is by default. If I want to change it, >>> I have to do manual flow control I suppose? >>> >> >> It is 1 : it asks for one more request-message after receiving a >> message: see >> https://github.com/grpc/grpc-java/blob/master/stub/src/main/java/io/grpc/stub/ServerCalls.java#L266 >> >> >> >>> >>>> >>>> >>>>> >>>>> If not, say I have 20 threads, one rpc with 20 streams with blocking >>>>> onNext() will block 20 threads? >>>>> >>>> >>>> One rpc is one stream. Unless you are saying there are 20 incoming rpc >>>> instances of the same method in which case there will be 20 streams. You >>>> are right: it will take up 20 threads. >>>> >>>> >>> Sorry for the confusion. I meant for StreamingRPC. Say one rpc client >>> (one rpc method) calls onNext() 10 times. and each onNext() for the rpc >>> server side is blocking. How many threads will this rpc block? >>> >> >> All messages in a streaming RPC are strictly sequential so it will take >> only one thread on the server side. Unless a message is completely >> processed the next message in the stream is not accepted for processing. >> >> >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "grpc.io" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/grpc-io/7LV3MC9Dwkg/unsubscribe. >> To unsubscribe from this group and all its topics, 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/d0de588d-ef5b-4fad-a735-5d513e4abaddn%40googlegroups.com >> <https://groups.google.com/d/msgid/grpc-io/d0de588d-ef5b-4fad-a735-5d513e4abaddn%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/CA%2BPad6ijaGMWxRqXG_JPgWS1oPmaYMW64--Py1TtqdPFkGacpA%40mail.gmail.com.
