diff --git a/internal/datacoord/channel_store.go b/internal/datacoord/channel_store.go
index cffcca33ac..85830bfd96 100644
--- a/internal/datacoord/channel_store.go
+++ b/internal/datacoord/channel_store.go
@@ -23,6 +23,8 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/milvus-io/milvus/internal/util/timerecord"
+
 	"github.com/golang/protobuf/proto"
 	"github.com/milvus-io/milvus/internal/kv"
 	"github.com/milvus-io/milvus/internal/proto/datapb"
@@ -131,6 +133,7 @@ func NewChannelStore(kv kv.TxnKV) *ChannelStore {
 
 // Reload restores the buffer channels and node-channels mapping from kv.
 func (c *ChannelStore) Reload() error {
+	record := timerecord.NewTimeRecorder("datacoord")
 	keys, values, err := c.store.LoadWithPrefix(Params.DataCoordCfg.ChannelWatchSubPath)
 	if err != nil {
 		return err
@@ -156,6 +159,7 @@ func (c *ChannelStore) Reload() error {
 		}
 		c.channelsInfo[nodeID].Channels = append(c.channelsInfo[nodeID].Channels, channel)
 	}
+	record.Record("ChannelStore reload")
 	return nil
 }
 
diff --git a/internal/datacoord/meta.go b/internal/datacoord/meta.go
index ccbe00bb91..696264133c 100644
--- a/internal/datacoord/meta.go
+++ b/internal/datacoord/meta.go
@@ -23,6 +23,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/milvus-io/milvus/internal/util/timerecord"
+
 	"golang.org/x/exp/maps"
 
 	"github.com/golang/protobuf/proto"
@@ -75,6 +77,7 @@ func newMeta(ctx context.Context, kv kv.TxnKV, chunkManagerRootPath string) (*me
 
 // reloadFromKV loads meta from KV storage
 func (m *meta) reloadFromKV() error {
+	record := timerecord.NewTimeRecorder("datacoord")
 	segments, err := m.catalog.ListSegments(m.ctx)
 	if err != nil {
 		return err
@@ -96,6 +99,7 @@ func (m *meta) reloadFromKV() error {
 	}
 	metrics.DataCoordNumStoredRows.WithLabelValues().Set(float64(numStoredRows))
 	metrics.DataCoordNumStoredRowsCounter.WithLabelValues().Add(float64(numStoredRows))
+	record.Record("meta reloadFromKV")
 	return nil
 }
 
diff --git a/internal/indexcoord/flush_segment_watcher.go b/internal/indexcoord/flush_segment_watcher.go
index df88c70f7d..b8276ea13e 100644
--- a/internal/indexcoord/flush_segment_watcher.go
+++ b/internal/indexcoord/flush_segment_watcher.go
@@ -35,6 +35,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/datapb"
 	"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
 	"github.com/milvus-io/milvus/internal/util"
+	"github.com/milvus-io/milvus/internal/util/timerecord"
 )
 
 type flushedSegmentWatcher struct {
@@ -87,6 +88,7 @@ func newFlushSegmentWatcher(ctx context.Context, kv kv.MetaKv, meta *metaTable,
 }
 
 func (fsw *flushedSegmentWatcher) reloadFromKV() error {
+	record := timerecord.NewTimeRecorder("indexcoord")
 	log.Ctx(fsw.ctx).Info("flushSegmentWatcher reloadFromKV")
 	fsw.internalTasks = make(map[UniqueID]*internalTask)
 	_, values, version, err := fsw.kvClient.LoadWithRevision(util.FlushedSegmentPrefix)
@@ -110,6 +112,7 @@ func (fsw *flushedSegmentWatcher) reloadFromKV() error {
 	}
 	fsw.etcdRevision = version
 	log.Ctx(fsw.ctx).Info("flushSegmentWatcher reloadFromKV success", zap.Int64("etcdRevision", version))
+	record.Record("flushedSegmentWatcher reloadFromKV")
 	return nil
 }
 
diff --git a/internal/indexcoord/meta_table.go b/internal/indexcoord/meta_table.go
index 961469e398..353624bf1d 100644
--- a/internal/indexcoord/meta_table.go
+++ b/internal/indexcoord/meta_table.go
@@ -23,6 +23,8 @@ import (
 	"strconv"
 	"sync"
 
+	"github.com/milvus-io/milvus/internal/util/timerecord"
+
 	"github.com/prometheus/client_golang/prometheus"
 
 	"github.com/golang/protobuf/proto"
@@ -90,6 +92,7 @@ func (mt *metaTable) updateSegmentIndex(segIdx *model.SegmentIndex) {
 
 // reloadFromKV reloads the index meta from ETCD.
 func (mt *metaTable) reloadFromKV() error {
+	record := timerecord.NewTimeRecorder("indexcoord")
 	mt.collectionIndexes = make(map[UniqueID]map[UniqueID]*model.Index)
 	mt.segmentIndexes = make(map[UniqueID]map[UniqueID]*model.SegmentIndex)
 	mt.buildID2SegmentIndex = make(map[UniqueID]*model.SegmentIndex)
@@ -115,6 +118,7 @@ func (mt *metaTable) reloadFromKV() error {
 	}
 
 	log.Info("IndexCoord metaTable reloadFromKV success")
+	record.Record("metaTable reloadFromKV")
 	return nil
 }
 
diff --git a/internal/querycoordv2/server.go b/internal/querycoordv2/server.go
index 5cef52f201..b32c300438 100644
--- a/internal/querycoordv2/server.go
+++ b/internal/querycoordv2/server.go
@@ -27,6 +27,8 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/milvus-io/milvus/internal/util/timerecord"
+
 	"github.com/milvus-io/milvus-proto/go-api/commonpb"
 	"github.com/milvus-io/milvus-proto/go-api/milvuspb"
 	"github.com/milvus-io/milvus/internal/allocator"
@@ -239,6 +241,8 @@ func (s *Server) Init() error {
 }
 
 func (s *Server) initMeta() error {
+	record := timerecord.NewTimeRecorder("querycoord")
+
 	log.Info("init meta")
 	s.store = meta.NewMetaStore(s.kv)
 	s.meta = meta.NewMeta(s.idAllocator, s.store)
@@ -267,6 +271,7 @@ func (s *Server) initMeta() error {
 	)
 	s.targetMgr = meta.NewTargetManager(s.broker, s.meta)
 
+	record.Record("Server initMeta")
 	return nil
 }
 
diff --git a/internal/rootcoord/meta_table.go b/internal/rootcoord/meta_table.go
index bdf9b964ad..aff4ac938f 100644
--- a/internal/rootcoord/meta_table.go
+++ b/internal/rootcoord/meta_table.go
@@ -22,6 +22,8 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/milvus-io/milvus/internal/util/timerecord"
+
 	"github.com/milvus-io/milvus/internal/common"
 
 	pb "github.com/milvus-io/milvus/internal/proto/etcdpb"
@@ -136,6 +138,7 @@ func (mt *MetaTable) reload() error {
 	mt.ddLock.Lock()
 	defer mt.ddLock.Unlock()
 
+	record := timerecord.NewTimeRecorder("rootcoord")
 	mt.collID2Meta = make(map[UniqueID]*model.Collection)
 	mt.collName2ID = make(map[string]UniqueID)
 	mt.collAlias2ID = make(map[string]UniqueID)
@@ -159,6 +162,7 @@ func (mt *MetaTable) reload() error {
 		mt.collAlias2ID[alias.Name] = alias.CollectionID
 	}
 
+	record.Record("MetaTable reload")
 	return nil
 }