multi: mark bimodal estimator experimental

cmd/lncli/cmd_mission_control.go

@@ -65,7 +65,8 @@ var setCfgCommand = cli.Command{
 		cli.StringFlag{
 			Name: "estimator",
 			Usage: "the probability estimator to use, choose " +
-				"between 'apriori' or 'bimodal'",
+				"between 'apriori' or 'bimodal' (bimodal is " +
+				"experimental)",
 		},
 		// Apriori config.
 		cli.DurationFlag{

lnrpc/routerrpc/router.pb.go

@@ -1667,7 +1667,7 @@ type MissionControlConfig struct {
 	// before we raise the failure amount.
 	MinimumFailureRelaxInterval uint64 `protobuf:"varint,5,opt,name=minimum_failure_relax_interval,json=minimumFailureRelaxInterval,proto3" json:"minimum_failure_relax_interval,omitempty"`
 	// ProbabilityModel defines which probability estimator should be used in
-	// pathfinding.
+	// pathfinding. Note that the bimodal estimator is experimental.
 	Model MissionControlConfig_ProbabilityModel `protobuf:"varint,6,opt,name=model,proto3,enum=routerrpc.MissionControlConfig_ProbabilityModel" json:"model,omitempty"`
 	// EstimatorConfig is populated dependent on the estimator type.
 	//

lnrpc/routerrpc/router.proto

@@ -513,7 +513,7 @@ message MissionControlConfig {
 
     /*
     ProbabilityModel defines which probability estimator should be used in
-    pathfinding.
+    pathfinding. Note that the bimodal estimator is experimental.
     */
     ProbabilityModel model = 6;
 

lnrpc/routerrpc/router.swagger.json

@@ -1477,7 +1477,7 @@
         },
         "model": {
           "$ref": "#/definitions/MissionControlConfigProbabilityModel",
-          "description": "ProbabilityModel defines which probability estimator should be used in\npathfinding."
+          "description": "ProbabilityModel defines which probability estimator should be used in\npathfinding. Note that the bimodal estimator is experimental."
         },
         "apriori": {
           "$ref": "#/definitions/routerrpcAprioriParameters"

sample-lnd.conf

@@ -1106,6 +1106,7 @@ litecoin.node=ltcd
 [routerrpc]
 
 ; Probability estimator used for pathfinding. (default: apriori)
+; Note that the bimodal estimator is experimental.
 ; routerrpc.estimator=[apriori|bimodal]
 
 ; Minimum required route success probability to attempt the payment (default:
@@ -1156,7 +1157,7 @@ litecoin.node=ltcd
 ; Defines how strongly non-routed channels of forwarders should be taken into
 ; account for probability estimation. A weight of zero disables this feature.
 ; Valid values are in [0, 1]. (default: 0.2)
-; routerrpc.bimodal.nodeweight=0.3
+; routerrpc.bimodal.nodeweight=0.1
 
 ; Defines the information decay of knowledge about previous successes and
 ; failures in channels. (default: 168h0m0s)