dynamic debounce

management/server/grpcserver.go

@@ -7,6 +7,7 @@ import (
 	"net"
 	"net/netip"
 	"os"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -63,6 +64,7 @@ type GRPCServer struct {
 	logBlockedPeers          bool
 	blockPeersWithSameConfig bool
 	integratedPeerValidator  integrated_validator.IntegratedValidator
+	debounce                 int
 }
 
 // NewServer creates a new Management server
@@ -96,6 +98,14 @@ func NewServer(
 	logBlockedPeers := strings.ToLower(os.Getenv(envLogBlockedPeers)) == "true"
 	blockPeersWithSameConfig := strings.ToLower(os.Getenv(envBlockPeers)) == "true"
 
+	debounce := 1
+	if decounceStr := os.Getenv("NB_UPDATE_BUFFER_DEBOUNCE_S"); decounceStr != "" {
+		debounce, err = strconv.Atoi(decounceStr)
+		if err != nil {
+			log.Errorf("invalid value for NB_UPDATE_BUFFER_DEBOUNCE_S: %v using 1 second", err)
+		}
+	}
+
 	return &GRPCServer{
 		wgKey: key,
 		// peerKey -> event channel
@@ -110,6 +120,7 @@ func NewServer(
 		logBlockedPeers:          logBlockedPeers,
 		blockPeersWithSameConfig: blockPeersWithSameConfig,
 		integratedPeerValidator:  integratedPeerValidator,
+		debounce:                 debounce,
 	}, nil
 }
 
@@ -259,10 +270,12 @@ func (s *GRPCServer) handleUpdates(ctx context.Context, accountID string, peerKe
 			select {
 			case networkMapCh <- update:
 				log.WithContext(ctx).Debugf("forwarded an update for peer %s from the network map buffer in %v", peerKey.String(), time.Since(start))
+				start = time.Now()
+				time.Sleep(time.Duration(s.debounce) * time.Second)
+				log.WithContext(ctx).Debugf("debounced for %v seconds for peer %s", time.Since(start), peerKey.String())
 			case <-ctx.Done():
 				return
 			}
-			time.Sleep(1 * time.Second)
 		}
 	}()