Check this https://stackoverflow.com/questions/66818645/http2-ping-frames-over-aws-alb-grpc-keepalive-ping
"*ALB does not support the HTTP2 ping frames*." On Mon, Jan 10, 2022 at 12:16 PM Rajat Goyal <rajatgoyal247...@gmail.com> wrote: > ALB is configured with idle-timeout - 5 minutes. > I configured bi-di client with : > keepAliveWithoutCalls(true).keepAliveTime(90, > TimeUnit.SECONDS).keepAliveTimeout(10, TimeUnit.SECONDS) > while server is configured with : > permitKeepAliveWithoutCalls(true).permitKeepAliveTime(1, TimeUnit.MINUTES) > > But I received INTERNAL: HTTP/2 error code: PROTOCOL_ERROR Received Rst > Stream after exactly 5 minutes. Which looks like ALB has dropped the > connection after 5 minutes. > > Any idea how we can keep idle connection alive ? > > > > On Mon, Jan 10, 2022 at 10:39 PM Rajat Goyal <rajatgoyal247...@gmail.com> > wrote: > >> Hi Sanjay, >> >> I see that bi-directional streamObserver object gets call back >> onError() in case of any error in network. >> >> Isn't that done by any heartbeat mechanism already?. If so, then >> connection at ALB should be active with these ping-pong packets ? >> >> Regards, >> Rajat >> >> On Mon, 10 Jan, 2022, 10:33 pm Sanjay Pujare, <sanjaypuj...@google.com> >> wrote: >> >>> This may probably help? >>> https://grpc.io/blog/grpc-on-http2/#keeping-connections-alive ? >>> >>> On Mon, Jan 10, 2022 at 8:54 AM Rajat Goyal <rajatgoyal247...@gmail.com> >>> wrote: >>> >>>> Hi, >>>> >>>> Gentle reminder for any resolution for above. >>>> >>>> Regards, >>>> Rajat >>>> >>>> On Sun, 9 Jan, 2022, 6:50 pm Rajat Goyal, <rajatgoyal247...@gmail.com> >>>> wrote: >>>> >>>>> Hi, >>>>> >>>>> We have a system where clients open bi-directional grpc stream to >>>>> ALB, which proxies to one of active server. So >>>>> >>>>> bi-di >>>>> client <----------------> ALB <----------------> server >>>>> >>>>> In-case of any failure of connection, clients re-connects to us as we >>>>> want to keep a bi-di channel open. >>>>> >>>>> Question is : How can we keep the channel open even if there is no >>>>> activity for sometime. ALB are configured with 300 sec idle-timeout which >>>>> means it will drop the connection if no packets are exchanged in 300 sec. >>>>> >>>>> As we want to keep the connection open as much possible ( only >>>>> re-create in-case of any issue), and not let it die due to idle timeout, >>>>> what properties should server can client set ? >>>>> Should keep-alive setting at both client & server help out ? >>>>> >>>>> >>>>> -- >>>>> 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/532f5551-e978-467e-b71c-0031a54953bfn%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/grpc-io/532f5551-e978-467e-b71c-0031a54953bfn%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/CALO6TtuVMUxHQmZMGj1wvD7r4qvRQuKd2gy0j%2B0z8b8EYdw7BA%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/grpc-io/CALO6TtuVMUxHQmZMGj1wvD7r4qvRQuKd2gy0j%2B0z8b8EYdw7BA%40mail.gmail.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%2BPad6gSsVNn67rThtbs2VkoGjFo%3DRe5nWCgNXNJ-N3L73zz8A%40mail.gmail.com.
