Hi Eric, Thanks a lot! Yes I indeed create a new channel everytime for the unary call, after changing to use the same channel, I only see 1 tcp connection created.
On Wednesday, August 8, 2018 at 9:47:53 AM UTC-7, Eric Gribkoff wrote: > > There should only be a single TCP connection when sending five unary > calls. Can you post a code sample of how you are testing this? It sounds > like you might be re-creating the gRPC channel for each call, which would > create a separate TCP connection for each RPC. You should create only one > channel, and use this to send multiple RPCs over the same TCP connection. > > Eric > > > On Tue, Aug 7, 2018 at 4:22 PM <[email protected] <javascript:>> wrote: > >> BTW, I am using grpc-java >> >> On Tuesday, August 7, 2018 at 4:21:53 PM UTC-7, [email protected] >> wrote: >>> >>> >>> Hi, >>> >>> I am doing an experiment to decide whether my application should choose >>> unary call, or bi-directional streaming. Here is what I observe by enable >>> the debug logging: >>> >>> for unary call, the tcp connection is created per call: >>> >>> client side single thread making 5 calls in a for loop: total 5 tcp >>> connections - using blocking stub >>> client side multi-threaded making 5 calls at the same time: total 5 tcp >>> connections - using block stub >>> bi-directional streaming making 5 requests: total 1 tcp connection - >>> using async stub >>> >>> So that means for unary call, it will always create new tcp connection >>> every time? Can you please confirm this behaviour? >>> >>> Thanks! >>> >> -- >> 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 [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/grpc-io. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/grpc-io/1251d22f-547a-4888-9096-2d36ce1c5705%40googlegroups.com >> >> <https://groups.google.com/d/msgid/grpc-io/1251d22f-547a-4888-9096-2d36ce1c5705%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/grpc-io. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/7c335d72-a996-45cb-ad03-41b47dfa5fef%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
