Client side keepalive support is merged in https://github.com/grpc/grpc-go/pull/993
Server side support is in review: https://github.com/grpc/grpc-go/pull/1119 On Thu, Jan 12, 2017 at 5:11 PM, 'Qi Zhao' via grpc.io < [email protected]> wrote: > Yes, you are right. We need that heart-beat mechanism. > > On Thu, Jan 12, 2017 at 11:43 AM, Angel Luis Jimenez Martinez < > [email protected]> wrote: > >> So if I understand correctly tcp user timeout applies to sent data that >> has not been acknowledged. So in this case maybe it would not apply because >> the server doesn't send any data to the dead client, am I right? >> >> >> >> >> 2017-01-12 20:28 GMT+01:00 Qi Zhao <[email protected]>: >> >>> If the clients dies silently (without sending the TCP RST), the server >>> side connection will stay until TCP user time out is triggered (order of >>> tens of minutes depending on your kernel setup) in the current >>> implementation unless you have a custom dialer to turn on TCP KeepAlive. We >>> are working on a heart-beat mechanism to recycle the server connections in >>> a timely fashion. It is WIP. >>> >>> On Tuesday, January 10, 2017 at 2:52:01 AM UTC-8, [email protected] >>> wrote: >>>> >>>> Hi, >>>> >>>> I have implemented a Go gRPC server for an app backend and see that >>>> client connections and the corresponding goroutines are still running even >>>> if clients (Android apps) have died. I'm not using methods that stream >>>> results from server to client or otherwise. >>>> >>>> Is this the expected behaviour? >>>> >>>> And if so, is there some kind of way on the Go server code to iterate >>>> over client connections and then identify the old idle ones and close them? >>>> >>>> Thanks! >>>> >>> >> >> >> -- >> Angel. >> > > > > -- > Thanks, > -Qi > > -- > 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/CAFnDmdrwL6tnvPHojQfBt%2BXPiwnbNEHPXXgOcWapzvMsU14FEw > %40mail.gmail.com > <https://groups.google.com/d/msgid/grpc-io/CAFnDmdrwL6tnvPHojQfBt%2BXPiwnbNEHPXXgOcWapzvMsU14FEw%40mail.gmail.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/CAPh%2BwgKkWh4kMJF8ZxLeeqW_5t6yKM6uDLiyo2zCzBuPzeonug%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
