diff --git a/pkg/cluster/cluster.go b/pkg/cluster/cluster.go
index 7abc6a80e9..2169967f6f 100644
--- a/pkg/cluster/cluster.go
+++ b/pkg/cluster/cluster.go
@@ -405,6 +405,7 @@ func (c *cluster) getClient() (*clientv3.Client, error) {
 		DialKeepAliveTime:    dialKeepAliveTime,
 		DialKeepAliveTimeout: dialKeepAliveTimeout,
 		LogConfig:            logger.EtcdClientLoggerConfig(c.opt, logger.EtcdClientFilename),
+		MaxCallSendMsgSize:   c.opt.Cluster.MaxCallSendMsgSize,
 	})
 	if err != nil {
 		return nil, fmt.Errorf("create client failed: %v", err)
diff --git a/pkg/object/statussynccontroller/statussynccontroller.go b/pkg/object/statussynccontroller/statussynccontroller.go
index c7747657d6..3e91ce8cdf 100644
--- a/pkg/object/statussynccontroller/statussynccontroller.go
+++ b/pkg/object/statussynccontroller/statussynccontroller.go
@@ -208,13 +208,13 @@ func (ssc *StatusSyncController) syncStatusToCluster(statuses map[string]string)
 
 	for k, v := range statuses {
 		k = ssc.superSpec.Super().Cluster().Layout().StatusObjectKey(k)
-		value := v
-		kvs[k] = &value
+		kvs[k] = &v
 	}
 
 	err := ssc.superSpec.Super().Cluster().PutAndDeleteUnderLease(kvs)
 	if err != nil {
-		logger.Errorf("sync status failed: %v", err)
+		logger.Errorf("sync status failed. If the message size is too large, "+
+			"please increase the value of cluster.MaxCallSendMsgSize in configuration: %v", err)
 	}
 }
 
diff --git a/pkg/option/option.go b/pkg/option/option.go
index 0bb2a45ca6..40c3fc8d0e 100644
--- a/pkg/option/option.go
+++ b/pkg/option/option.go
@@ -46,6 +46,7 @@ type ClusterOptions struct {
 	StateFlag                string            `yaml:"state-flag"`
 	// Secondary members define URLs to connect to cluster formed by primary members.
 	PrimaryListenPeerURLs []string `yaml:"primary-listen-peer-urls"`
+	MaxCallSendMsgSize    int      `yaml:"max-call-send-msg-size"`
 }
 
 // Options is the start-up options.
@@ -128,6 +129,7 @@ func addClusterVars(opt *Options) {
 		"primary-listen-peer-urls",
 		[]string{"http://localhost:2380"},
 		"List of peer URLs of primary members. Define this only, when cluster-role is secondary.")
+	opt.flags.IntVar(&opt.Cluster.MaxCallSendMsgSize, "max-call-send-msg-size", 10*1024*1024, "Maximum size in bytes for cluster synchronization messages.")
 }
 
 // New creates a default Options.