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gRPC LoadBalancingPolicy Support #15861

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Mar 19, 2021
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gRPC LoadBalancingPolicy Support
0SkillAllLuck committed Mar 18, 2021
commit 66e8fc9b629c22417fc7573a499a5abdec713cb2
Original file line number Diff line number Diff line change
@@ -137,4 +137,10 @@ public class GrpcClientConfiguration {
@ConfigItem
public Optional<String> userAgent;

/**
* Use a custom load balancing policy.
* Accepted values are: {@code pick_value}, {@code round_robin}, {@code grpclb}
*/
@ConfigItem(defaultValue = "pick_first")
public String loadBalancingPolicy;
}
Original file line number Diff line number Diff line change
@@ -86,6 +86,7 @@ public static Channel createChannel(String name) throws SSLException {
}

NettyChannelBuilder builder = NettyChannelBuilder.forAddress(host, port)
.defaultLoadBalancingPolicy(config.loadBalancingPolicy)
.flowControlWindow(config.flowControlWindow.orElse(DEFAULT_FLOW_CONTROL_WINDOW))
.keepAliveWithoutCalls(config.keepAliveWithoutCalls)
.maxHedgedAttempts(config.maxHedgedAttempts)