Hi Kun,
please see below the logs from the gRPC client, so server1 (localhost:9095)
is running first, then the client start making requests, afterward, I
started up server2 (localhost:9096), then I see the following logs, and the
request is not sent to server2.
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Created with target localhost:9095
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Created with target localhost:9095
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Exiting idle mode
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Exiting idle mode
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
resolved address: [[addrs=[localhost/127.0.0.1:9095], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9095], attrs={}]], config={}
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
resolved address: [[addrs=[localhost/127.0.0.1:9095], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9095], attrs={}]], config={}
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
io.grpc.internal.InternalSubchannel-14 created for
[[addrs=[localhost/127.0.0.1:9095], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9095], attrs={}]]
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
io.grpc.internal.InternalSubchannel-14 created for
[[addrs=[localhost/127.0.0.1:9095], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9095], attrs={}]]
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
shutdownNow() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
shutdownNow() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
shutdown() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
shutdown() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Shutting down
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Shutting down
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Created with target localhost:9096
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Created with target localhost:9096
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Terminated
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-12]
Terminated
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Exiting idle mode
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Exiting idle mode
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
resolved address: [[addrs=[localhost/127.0.0.1:9096], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9096], attrs={}]], config={}
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
resolved address: [[addrs=[localhost/127.0.0.1:9096], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9096], attrs={}]], config={}
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
io.grpc.internal.InternalSubchannel-18 created for
[[addrs=[localhost/127.0.0.1:9096], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9096], attrs={}]]
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
io.grpc.internal.InternalSubchannel-18 created for
[[addrs=[localhost/127.0.0.1:9096], attrs={}],
[addrs=[localhost/0:0:0:0:0:0:0:1:9096], attrs={}]]
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
shutdownNow() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
shutdownNow() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
shutdown() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
shutdown() called
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Shutting down
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Shutting down
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-4]
resolved address: [[addrs=[localhost/127.0.0.1:9095], attrs={}],
[addrs=[localhost/127.0.0.1:9096], attrs={}]], config={}
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-4]
resolved address: [[addrs=[localhost/127.0.0.1:9095], attrs={}],
[addrs=[localhost/127.0.0.1:9096], attrs={}]], config={}
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-4]
io.grpc.internal.InternalSubchannel-20 created for
[[addrs=[localhost/127.0.0.1:9096], attrs={}]]
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-4]
io.grpc.internal.InternalSubchannel-20 created for
[[addrs=[localhost/127.0.0.1:9096], attrs={}]]
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Terminated
[io.grpc.internal.ManagedChannelImpl][io.grpc.internal.ManagedChannelImpl-16]
Terminated
On Thursday, January 10, 2019 at 5:37:55 PM UTC-8, Kun Zhang wrote:
>
> SubChannel getting created for the new server means round-robin is aware
> of this new server and tries to connect.
> The creation log starts with the logId of the Subchannel. Do you see any
> other logs related to that logId?
> My suspicion is that the Subchannel couldn't get connected.
>
> On Thursday, January 10, 2019 at 4:34:58 PM UTC-8, [email protected]
> wrote:
>>
>> Hi Kun,
>>
>> Thanks for your reply, I did see that new SubChannel gets created for the
>> new server, do you mean that so long as the new server's subchannel gets
>> created, it should take effect immediately, meaning the new server should
>> also get the traffic?
>>
>> Thanks a lot!
>>
>> On Thursday, January 10, 2019 at 4:00:28 PM UTC-8, Kun Zhang wrote:
>>>
>>> Can you find logs from InternalSubchannel that mention the new server?
>>> If the new server can not be connected, round-robin won't use it.
>>>
>>> On Wednesday, January 9, 2019 at 10:18:47 AM UTC-8, [email protected]
>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> in my java gRPC client, when I create the ManagedChannel, I am passing
>>>> my custom NameResolver, and using RoundRobinLoadBalancer. When my
>>>> NameResolver is notified with a change to the server list (new server
>>>> added), it will call Listener.onAddress and pass the updated the list.
>>>>
>>>> I see from the Log: the onAddress is called from
>>>> NameResolverListenerImpl, (9097 is the new server address added)
>>>>
>>>> resolved address: [[addrs=[localhost/127.0.0.1:9096], attrs={}],
>>>> [addrs=[localhost/127.0.0.1:9097], attrs={}]], config={}
>>>>
>>>>
>>>> however, the traffic is not coming to the new server, did I miss
>>>> anything?
>>>>
>>>>
>>>> Thanks a lot!
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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