diff --git a/weed/filer/meta_aggregator.go b/weed/filer/meta_aggregator.go
index fbc163442..8cd7d5bf9 100644
--- a/weed/filer/meta_aggregator.go
+++ b/weed/filer/meta_aggregator.go
@@ -243,10 +243,15 @@ const (
 	MetaOffsetPrefix = "Meta"
 )
 
-func (ma *MetaAggregator) readOffset(f *Filer, peer pb.ServerAddress, peerSignature int32) (lastTsNs int64, err error) {
-
+func GetPeerMetaOffsetKey(peerSignature int32) []byte {
 	key := []byte(MetaOffsetPrefix + "xxxx")
 	util.Uint32toBytes(key[len(MetaOffsetPrefix):], uint32(peerSignature))
+	return key
+}
+
+func (ma *MetaAggregator) readOffset(f *Filer, peer pb.ServerAddress, peerSignature int32) (lastTsNs int64, err error) {
+
+	key := GetPeerMetaOffsetKey(peerSignature)
 
 	value, err := f.Store.KvGet(context.Background(), key)
 
@@ -263,8 +268,7 @@ func (ma *MetaAggregator) readOffset(f *Filer, peer pb.ServerAddress, peerSignat
 
 func (ma *MetaAggregator) updateOffset(f *Filer, peer pb.ServerAddress, peerSignature int32, lastTsNs int64) (err error) {
 
-	key := []byte(MetaOffsetPrefix + "xxxx")
-	util.Uint32toBytes(key[len(MetaOffsetPrefix):], uint32(peerSignature))
+	key := GetPeerMetaOffsetKey(peerSignature)
 
 	value := make([]byte, 8)
 	util.Uint64toBytes(value, uint64(lastTsNs))
diff --git a/weed/shell/command_cluster_ps.go b/weed/shell/command_cluster_ps.go
index 5c495b2e2..fc6725fad 100644
--- a/weed/shell/command_cluster_ps.go
+++ b/weed/shell/command_cluster_ps.go
@@ -5,10 +5,13 @@ import (
 	"flag"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/cluster"
+	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
+	"github.com/seaweedfs/seaweedfs/weed/util"
 	"io"
+	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
 )
@@ -92,6 +95,7 @@ func (c *commandClusterPs) Do(args []string, commandEnv *CommandEnv, writer io.W
 		}
 	}
 
+	filerSignatures := make(map[*master_pb.ListClusterNodesResponse_ClusterNode]int32)
 	fmt.Fprintf(writer, "* filers %d\n", len(filerNodes))
 	for _, node := range filerNodes {
 		fmt.Fprintf(writer, "  * %s (%v)\n", node.Address, node.Version)
@@ -108,12 +112,29 @@ func (c *commandClusterPs) Do(args []string, commandEnv *CommandEnv, writer io.W
 					fmt.Fprintf(writer, "    filer group: %s\n", resp.FilerGroup)
 				}
 				fmt.Fprintf(writer, "    signature: %d\n", resp.Signature)
+				filerSignatures[node] = resp.Signature
 			} else {
 				fmt.Fprintf(writer, "    failed to connect: %v\n", err)
 			}
 			return err
 		})
 	}
+	for _, node := range filerNodes {
+		pb.WithFilerClient(false, pb.ServerAddress(node.Address), commandEnv.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+			fmt.Fprintf(writer, "* filer %s metadata sync time\n", node.Address)
+			selfSignature := filerSignatures[node]
+			for peer, peerSignature := range filerSignatures {
+				if selfSignature == peerSignature {
+					continue
+				}
+				if resp, err := client.KvGet(context.Background(), &filer_pb.KvGetRequest{Key: filer.GetPeerMetaOffsetKey(peerSignature)}); err == nil && len(resp.Value) == 8 {
+					lastTsNs := int64(util.BytesToUint64(resp.Value))
+					fmt.Fprintf(writer, "    %s: %v\n", peer.Address, time.Unix(0, lastTsNs).UTC())
+				}
+			}
+			return nil
+		})
+	}
 
 	// collect volume servers
 	var volumeServers []pb.ServerAddress