saved

daemons/node/indexer/service.go

@@ -96,9 +96,24 @@ func NewIndexerService(h host.Host, ps *pubsub.PubSub, maxNode int, isNative boo
 		ix.InitNative()
 	} else {
 		ix.initNodeHandler()
-		// Register with configured natives so this indexer appears in their cache
+		// Register with configured natives so this indexer appears in their cache.
+		// Pass a fill rate provider so the native can route new nodes to less-loaded indexers.
 		if nativeAddrs := conf.GetConfig().NativeIndexerAddresses; nativeAddrs != "" {
-			common.StartNativeRegistration(ix.Host, nativeAddrs)
+			fillRateFn := func() float64 {
+				ix.StreamMU.RLock()
+				n := len(ix.StreamRecords[common.ProtocolHeartbeat])
+				ix.StreamMU.RUnlock()
+				maxN := ix.MaxNodesConn()
+				if maxN <= 0 {
+					return 0
+				}
+				rate := float64(n) / float64(maxN)
+				if rate > 1 {
+					rate = 1
+				}
+				return rate
+			}
+			common.StartNativeRegistration(ix.Host, nativeAddrs, fillRateFn)
 		}
 	}
 	return ix