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proxyd/backend.go

@@ -693,7 +693,7 @@ func sortBatchRPCResponse(req []*RPCReq, res []*RPCRes) {
 type BackendGroup struct {
 	Name            string
 	Backends        []*Backend
-	UseWeightedRouting bool
+	WeightedRouting bool
 	Consensus       *ConsensusPoller
 }
 
@@ -750,7 +750,7 @@ func (bg *BackendGroup) Forward(ctx context.Context, rpcReqs []*RPCReq, isBatch
 			}
 		}
 		rpcReqs = rewrittenReqs
-	} else if bg.UseWeightedRouting {
+	} else if bg.WeightedRouting {
 		backends = randomizeFirstBackendByWeight(backends)
 	}
 
@@ -820,7 +820,7 @@ func (bg *BackendGroup) Forward(ctx context.Context, rpcReqs []*RPCReq, isBatch
 }
 
 func randomizeFirstBackendByWeight(backends []*Backend) []*Backend {
-	if len(backends) == 0 {
+	if len(backends) <= 1 {
 		return backends
 	}
 
@@ -916,7 +916,7 @@ func (bg *BackendGroup) loadBalancedConsensusGroup() []*Backend {
 		backendsDegraded[i], backendsDegraded[j] = backendsDegraded[j], backendsDegraded[i]
 	})
 
-	if bg.UseWeightedRouting {
+	if bg.WeightedRouting {
 		backendsHealthy = randomizeFirstBackendByWeight(backendsHealthy)
 		backendsDegraded = randomizeFirstBackendByWeight(backendsDegraded)
 	}

proxyd/config.go

@@ -95,11 +95,11 @@ type BackendConfig struct {
 	ClientKeyFile    string `toml:"client_key_file"`
 	StripTrailingXFF bool   `toml:"strip_trailing_xff"`
 
+	Weight int `toml:"weight"`
+
 	ConsensusSkipPeerCountCheck bool   `toml:"consensus_skip_peer_count"`
 	ConsensusForcedCandidate    bool   `toml:"consensus_forced_candidate"`
 	ConsensusReceiptsTarget     string `toml:"consensus_receipts_target"`
-
-	Weight int `toml:"weight"`
 }
 
 type BackendsConfig map[string]*BackendConfig
@@ -107,7 +107,7 @@ type BackendsConfig map[string]*BackendConfig
 type BackendGroupConfig struct {
 	Backends []string `toml:"backends"`
 
-	UseWeightedRouting bool `toml:"weighted_routing"`
+	WeightedRouting bool `toml:"weighted_routing"`
 
 	ConsensusAware        bool   `toml:"consensus_aware"`
 	ConsensusAsyncHandler string `toml:"consensus_handler"`

proxyd/proxyd.go

@@ -177,7 +177,7 @@ func Start(config *Config) (*Server, func(), error) {
 		}
 		group := &BackendGroup{
 			Name:            bgName,
-			UseWeightedRouting: bg.UseWeightedRouting,
+			WeightedRouting: bg.WeightedRouting,
 			Backends:        backends,
 		}
 		backendGroups[bgName] = group