Seems to me that there should be an autoback off. Server warning don't call back again for 4 min . Well behaved clients follow that, bad ones get disconnected.
On Monday, June 5, 2017 at 7:17:30 PM UTC-4, Eric Anderson wrote: > > In 1.3 we started allowing clients to be more aggressive. From the 1.3 > release notes: > > "Keepalives in Netty and OkHttp now allow sending pings without > outstanding RPCs. The minimum keepalive time was also reduced from 1 minute > to 10 seconds. Clients must get permission from the services they use > before enabling keepalive." > > However, that puts servers in danger, so we also added server-side > detection of over-zealous clients. In the release notes: > > "Netty server: now detects overly aggressive keepalives from clients, with > configurable limits. Defaults to permitting keepalives every 5 minutes only > while there are outstanding RPCs, but clients must not depend on this > value." > > too_many_pings is the server saying the client is pinging too frequently. > Either reduce the keepalive rate on the client-side or increase the limit > on the server-side. > > On Mon, Jun 5, 2017 at 2:51 PM, <cr2...@gmail.com <javascript:>> wrote: > >> >> Hi >> >> I set on a grpc stream with NettyChannel options: >> keepAliveTime"(60L, TimeUnit.SECONDS}); >> keepAliveTimeout{8L, TimeUnit.SECONDS}); >> >> At times in the code I've added sleep for 15 min. I see on Wireshark the >> keep alives. >> >> But after a time I see : >> >> ----------------------------------------------------------------------------------------------------------------------------------------- >> Jun 05, 2017 5:29:53 PM io.grpc.netty.NettyClientHandler$1 >> onGoAwayReceived >> WARNING: Received GOAWAY with ENHANCE_YOUR_CALM. Debug data: {1} >> Jun 05, 2017 5:29:53 PM io.grpc.internal.AtomicBackoff$State backoff >> WARNING: Increased keepalive time nanos to 240,000,000,000 >> 2017-06-05 21:29:53,073 ERROR OrdererClient:116 - Received error on >> channel foo, orderer orderer.example.com, url grpc://localhost:7050, >> RESOURCE_EXHAUSTED: Bandwidth exhausted >> HTTP/2 error code: ENHANCE_YOUR_CALM >> Received Goaway >> too_many_pings >> io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: Bandwidth exhausted >> HTTP/2 error code: ENHANCE_YOUR_CALM >> Received Goaway >> too_many_pings >> at io.grpc.Status.asRuntimeException(Status.java:540) >> at >> io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:392) >> at >> io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:426) >> at >> io.grpc.internal.ClientCallImpl.access$100(ClientCallImpl.java:76) >> at >> io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:512) >> at >> io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$700(ClientCallImpl.java:429) >> at >> io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:544) >> at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:52) >> at >> io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:117) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) >> at java.lang.Thread.run(Thread.java:745) >> >> ----------------------------------------------------------------------------------------------------------------------------------------- >> >> But everything seem to continue to work grpc 1.3.0 >> Something I can do to stop that ? Any ideas whats going on here ? >> 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 grpc-io+u...@googlegroups.com <javascript:>. >> To post to this group, send email to grp...@googlegroups.com >> <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/8fbd88f7-8648-471b-baab-5e2711c32fce%40googlegroups.com >> >> <https://groups.google.com/d/msgid/grpc-io/8fbd88f7-8648-471b-baab-5e2711c32fce%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 grpc-io+unsubscr...@googlegroups.com. To post to this group, send email to grpc-io@googlegroups.com. 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/503a08ea-b79a-4f21-abb6-3e16651ead2a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.