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Chengyuan Zhang 10dc41af74
core: round robin should ignore name resolution error for channel state change when there are READY subchannels (#7595) 
Round robin is keeping use of READY subchannels even if there is name resolution error. However, it moves Channel state to TRANSIENT_ERROR.

In hierarchical load balancers, the upstream LB policy may need to aggregate pickers from multiple downstream round_robin LB policy while filtering out non-ready subchannels. It cannot infer if the subchannel can be used just from the SubchannelPicker interface. It relies on the state that the round_robin intends to set channel to.

So the change is to match the readiness of the picker/subchannel with the state that round_robin tries to update. It will completely ignore name resolution error if there are READY subchannels.
 		2020-11-04 14:36:12 -08:00
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java/io/grpc core: round robin should ignore name resolution error for channel state change when there are READY subchannels (#7595) 2020-11-04 14:36:12 -08:00
resources/io/grpc/internal core: Move io.grpc to grpc-api 2019-04-16 21:45:40 -07:00