diff --git a/commonspace/sync/objectsync/objectmessages/headupdate.go b/commonspace/sync/objectsync/objectmessages/headupdate.go
index 60b014ee..92d07092 100644
--- a/commonspace/sync/objectsync/objectmessages/headupdate.go
+++ b/commonspace/sync/objectsync/objectmessages/headupdate.go
@@ -62,6 +62,10 @@ func (h *HeadUpdate) MsgSize() uint64 {
 	return byteSize + uint64(len(h.Meta.PeerId)) + uint64(len(h.Meta.ObjectId)) + uint64(len(h.Meta.SpaceId))
 }
 
+func (h *HeadUpdate) Size() int {
+	return int(h.MsgSize())
+}
+
 func (h *HeadUpdate) SetPeerId(peerId string) {
 	h.Meta.PeerId = peerId
 }
diff --git a/commonspace/sync/sync.go b/commonspace/sync/sync.go
index bda37c1c..a111e71f 100644
--- a/commonspace/sync/sync.go
+++ b/commonspace/sync/sync.go
@@ -93,7 +93,7 @@ func (s *syncService) Run(ctx context.Context) (err error) {
 func (s *syncService) Close(ctx context.Context) (err error) {
 	err = s.receiveQueue.Close()
 	if s.commonMetric != nil {
-		s.commonMetric.UnregisterSyncMetric(s.spaceId, s.metric)
+		s.commonMetric.UnregisterSyncMetric(s.spaceId)
 	}
 	s.manager.Close()
 	return
diff --git a/metric/metric.go b/metric/metric.go
index d13647b4..cc798049 100644
--- a/metric/metric.go
+++ b/metric/metric.go
@@ -31,7 +31,9 @@ type Metric interface {
 	WrapDRPCHandler(h drpc.Handler) drpc.Handler
 	RequestLog(ctx context.Context, rpc string, fields ...zap.Field)
 	RegisterSyncMetric(spaceId string, syncMetric SyncMetric)
-	UnregisterSyncMetric(spaceId string, syncMetric SyncMetric)
+	UnregisterSyncMetric(spaceId string)
+	RegisterStreamPoolSyncMetric(mtr StreamPoolMetric)
+	UnregisterStreamPoolSyncMetric()
 	app.ComponentRunnable
 }
 
@@ -43,18 +45,31 @@ type metric struct {
 	appField          zap.Field
 	mx                sync.Mutex
 	syncMetrics       map[string]SyncMetric
+	streamPoolMetric  StreamPoolMetric
 	lastCachedState   SyncMetricState
 	lastCachedDate    time.Time
 	lastCachedTimeout time.Duration
 }
 
+func (m *metric) RegisterStreamPoolSyncMetric(mtr StreamPoolMetric) {
+	m.mx.Lock()
+	defer m.mx.Unlock()
+	m.streamPoolMetric = mtr
+}
+
+func (m *metric) UnregisterStreamPoolSyncMetric() {
+	m.mx.Lock()
+	defer m.mx.Unlock()
+	m.streamPoolMetric = nil
+}
+
 func (m *metric) RegisterSyncMetric(spaceId string, syncMetric SyncMetric) {
 	m.mx.Lock()
 	defer m.mx.Unlock()
 	m.syncMetrics[spaceId] = syncMetric
 }
 
-func (m *metric) UnregisterSyncMetric(spaceId string, syncMetric SyncMetric) {
+func (m *metric) UnregisterSyncMetric(spaceId string) {
 	m.mx.Lock()
 	defer m.mx.Unlock()
 	delete(m.syncMetrics, spaceId)
diff --git a/metric/syncmetric.go b/metric/syncmetric.go
index 69d25283..d4b5e2ed 100644
--- a/metric/syncmetric.go
+++ b/metric/syncmetric.go
@@ -10,6 +10,10 @@ type SyncMetric interface {
 	SyncMetricState() SyncMetricState
 }
 
+type StreamPoolMetric interface {
+	OutgoingMsg() (count uint32, size uint64)
+}
+
 type SyncMetricState struct {
 	IncomingMsgCount  uint32
 	IncomingMsgSize   uint64
@@ -28,13 +32,11 @@ type SyncMetricState struct {
 
 func (st *SyncMetricState) Append(other SyncMetricState) {
 	st.IncomingMsgSize += other.IncomingMsgSize
-	st.OutgoingMsgSize += other.OutgoingMsgSize
 	st.IncomingReqSize += other.IncomingReqSize
 	st.OutgoingReqSize += other.OutgoingReqSize
 	st.ReceivedRespSize += other.ReceivedRespSize
 	st.SentRespSize += other.SentRespSize
 	st.IncomingMsgCount += other.IncomingMsgCount
-	st.OutgoingMsgCount += other.OutgoingMsgCount
 	st.IncomingReqCount += other.IncomingReqCount
 	st.OutgoingReqCount += other.OutgoingReqCount
 	st.ReceivedRespCount += other.ReceivedRespCount
@@ -58,6 +60,9 @@ func (m *metric) getLastCached() SyncMetricState {
 	for _, mtr := range allMetrics {
 		lastCached.Append(mtr.SyncMetricState())
 	}
+	if m.streamPoolMetric != nil {
+		lastCached.OutgoingMsgCount, lastCached.OutgoingMsgSize = m.streamPoolMetric.OutgoingMsg()
+	}
 	m.mx.Lock()
 	defer m.mx.Unlock()
 	m.lastCachedState = lastCached
diff --git a/net/streampool/streampool.go b/net/streampool/streampool.go
index 120093a3..8b0515ec 100644
--- a/net/streampool/streampool.go
+++ b/net/streampool/streampool.go
@@ -81,6 +81,16 @@ type streamPool struct {
 	lastStreamId    uint32
 }
 
+func (s *streamPool) OutgoingMsg() (count uint32, size uint64) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	for _, st := range s.streams {
+		count += uint32(st.stats.msgCount.Load())
+		size += uint64(st.stats.totalSize.Load())
+	}
+	return
+}
+
 func (s *streamPool) Init(a *app.App) (err error) {
 	s.metric, _ = a.Component(metric.CName).(metric.Metric)
 	s.handler = a.MustComponent(streamhandler.CName).(streamhandler.StreamHandler)
@@ -92,6 +102,7 @@ func (s *streamPool) Init(a *app.App) (err error) {
 	s.streamConfig = a.MustComponent("config").(configGetter).GetStreamConfig()
 	s.statService.AddProvider(s)
 	if s.metric != nil {
+		s.metric.RegisterStreamPoolSyncMetric(s)
 		registerMetrics(s.metric.Registry(), s, "")
 	}
 	return nil
@@ -440,6 +451,7 @@ func (s *streamPool) removeStream(streamId uint32) {
 
 func (s *streamPool) Close(ctx context.Context) (err error) {
 	s.statService.RemoveProvider(s)
+	s.metric.UnregisterStreamPoolSyncMetric()
 	return s.dial.Close()
 }