1
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master: 89%

Ran 05 Nov 2020 01:56AM UTC

Files 413

Run time 40s

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Committed 04 Nov 2020 10:36PM UTC coverage: 86.833% (-0.04%) from 86.871%

Job # GRADLE_OPTS=-Xmx512m LDFLAGS=-L/tmp/protobuf/lib CXXFLAGS=-I/tmp/protobuf/include LD_LIBRARY_PATH=/tmp/protobuf/lib

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push

travis-ci

Committed by

web-flow

Commit Message

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.

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grpc / grpc-java / 20407 / 1
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