diff --git a/src/redis-shake/metric/metric.go b/src/redis-shake/metric/metric.go
index d085741..a5fbd35 100644
--- a/src/redis-shake/metric/metric.go
+++ b/src/redis-shake/metric/metric.go
@@ -1,15 +1,16 @@
 package metric
 
 import (
-	"time"
-	"sync/atomic"
-	"fmt"
 	"encoding/json"
+	"fmt"
+	"strconv"
+	"sync"
+	"sync/atomic"
+	"time"
 
+	"pkg/libs/log"
 	"redis-shake/base"
 	"redis-shake/configure"
-	"pkg/libs/log"
-	"sync"
 )
 
 const (
@@ -18,7 +19,7 @@ const (
 
 var (
 	MetricMap = new(sync.Map)
-	runner base.Runner
+	runner    base.Runner
 )
 
 type Op interface {
@@ -48,7 +49,7 @@ func (p *Percent) Get(returnString bool) interface{} {
 		if returnString {
 			return fmt.Sprintf("%.02f", float64(dividend)/float64(divisor))
 		} else {
-			return dividend / divisor
+			return float64(dividend) / float64(divisor)
 		}
 	}
 }
@@ -131,7 +132,7 @@ func (m *Metric) run() {
 		tick := 0
 		for range time.NewTicker(1 * time.Second).C {
 			tick++
-			if tick % updateInterval == 0 && conf.Options.MetricPrintLog {
+			if tick%updateInterval == 0 && conf.Options.MetricPrintLog {
 				stat := NewMetricRest()
 				if opts, err := json.Marshal(stat); err != nil {
 					log.Infof("marshal metric stat error[%v]", err)
@@ -145,8 +146,9 @@ func (m *Metric) run() {
 	}()
 }
 
-func (m *Metric) AddPullCmdCount(val uint64) {
+func (m *Metric) AddPullCmdCount(dbSyncerID int, val uint64) {
 	m.PullCmdCount.Set(val)
+	pullCmdCountTotal.WithLabelValues(strconv.Itoa(dbSyncerID)).Add(float64(val))
 }
 
 func (m *Metric) GetPullCmdCount() interface{} {
@@ -157,8 +159,9 @@ func (m *Metric) GetPullCmdCountTotal() interface{} {
 	return atomic.LoadUint64(&m.PullCmdCount.Total)
 }
 
-func (m *Metric) AddBypassCmdCount(val uint64) {
+func (m *Metric) AddBypassCmdCount(dbSyncerID int, val uint64) {
 	m.BypassCmdCount.Set(val)
+	bypassCmdCountTotal.WithLabelValues(strconv.Itoa(dbSyncerID)).Add(float64(val))
 }
 
 func (m *Metric) GetBypassCmdCount() interface{} {
@@ -169,8 +172,9 @@ func (m *Metric) GetBypassCmdCountTotal() interface{} {
 	return atomic.LoadUint64(&m.BypassCmdCount.Total)
 }
 
-func (m *Metric) AddPushCmdCount(val uint64) {
+func (m *Metric) AddPushCmdCount(dbSyncerID int, val uint64) {
 	m.PushCmdCount.Set(val)
+	pushCmdCountTotal.WithLabelValues(strconv.Itoa(dbSyncerID)).Add(float64(val))
 }
 
 func (m *Metric) GetPushCmdCount() interface{} {
@@ -181,8 +185,9 @@ func (m *Metric) GetPushCmdCountTotal() interface{} {
 	return atomic.LoadUint64(&m.PushCmdCount.Total)
 }
 
-func (m *Metric) AddSuccessCmdCount(val uint64) {
+func (m *Metric) AddSuccessCmdCount(dbSyncerID int, val uint64) {
 	m.SuccessCmdCount.Set(val)
+	successCmdCountTotal.WithLabelValues(strconv.Itoa(dbSyncerID)).Add(float64(val))
 }
 
 func (m *Metric) GetSuccessCmdCount() interface{} {
@@ -193,8 +198,9 @@ func (m *Metric) GetSuccessCmdCountTotal() interface{} {
 	return atomic.LoadUint64(&m.SuccessCmdCount.Total)
 }
 
-func (m *Metric) AddFailCmdCount(val uint64) {
+func (m *Metric) AddFailCmdCount(dbSyncerID int, val uint64) {
 	m.FailCmdCount.Set(val)
+	failCmdCountTotal.WithLabelValues(strconv.Itoa(dbSyncerID)).Add(float64(val))
 }
 
 func (m *Metric) GetFailCmdCount() interface{} {
@@ -218,9 +224,14 @@ func (m *Metric) GetAvgDelay() interface{} {
 	return m.AvgDelay.Get(true)
 }
 
-func (m *Metric) AddNetworkFlow(val uint64) {
+func (m *Metric) GetAvgDelayFloat64() float64 {
+	return float64(m.AvgDelay.Get(false).(int64))
+}
+
+func (m *Metric) AddNetworkFlow(dbSyncerID int, val uint64) {
 	// atomic.AddUint64(&m.NetworkFlow.Value, val)
 	m.NetworkFlow.Set(val)
+	networkFlowTotalInBytes.WithLabelValues(strconv.Itoa(dbSyncerID)).Add(float64(val))
 }
 
 func (m *Metric) GetNetworkFlow() interface{} {
@@ -231,8 +242,9 @@ func (m *Metric) GetNetworkFlowTotal() interface{} {
 	return atomic.LoadUint64(&m.NetworkFlow.Total)
 }
 
-func (m *Metric) SetFullSyncProgress(val uint64) {
+func (m *Metric) SetFullSyncProgress(dbSyncerID int, val uint64) {
 	m.FullSyncProgress = val
+	fullSyncProcessPercent.WithLabelValues(strconv.Itoa(dbSyncerID)).Set(float64(val))
 }
 
 func (m *Metric) GetFullSyncProgress() interface{} {
diff --git a/src/redis-shake/metric/prometheus_metrics.go b/src/redis-shake/metric/prometheus_metrics.go
new file mode 100644
index 0000000..573e3eb
--- /dev/null
+++ b/src/redis-shake/metric/prometheus_metrics.go
@@ -0,0 +1,95 @@
+package metric
+
+import (
+	"strconv"
+
+	"redis-shake/common"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+)
+
+const (
+	metricNamespace   = "redisshake"
+	dbSyncerLabelName = "db_syncer"
+)
+
+var (
+	pullCmdCountTotal = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: metricNamespace,
+			Name:      "pull_cmd_count_total",
+			Help:      "RedisShake pull redis cmd count in total",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	bypassCmdCountTotal = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: metricNamespace,
+			Name:      "bypass_cmd_count_total",
+			Help:      "RedisShake bypass redis cmd count in total",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	pushCmdCountTotal = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: metricNamespace,
+			Name:      "push_cmd_count_total",
+			Help:      "RedisShake push redis cmd count in total",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	successCmdCountTotal = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: metricNamespace,
+			Name:      "success_cmd_count_total",
+			Help:      "RedisShake push redis cmd count in total",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	failCmdCountTotal = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: metricNamespace,
+			Name:      "fail_cmd_count_total",
+			Help:      "RedisShake push redis cmd count in total",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	networkFlowTotalInBytes = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: metricNamespace,
+			Name:      "network_flow_total_in_bytes",
+			Help:      "RedisShake total network flow in total (byte)",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	fullSyncProcessPercent = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Namespace: metricNamespace,
+			Name:      "full_sync_process_percent",
+			Help:      "RedisShake full sync process (%)",
+		},
+		[]string{dbSyncerLabelName},
+	)
+	averageDelayInMs = promauto.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Namespace: metricNamespace,
+			Name:      "average_delay_in_ms",
+			Help:      "RedisShake average delay (ms)",
+		},
+		[]string{dbSyncerLabelName},
+	)
+)
+
+// CalcPrometheusMetrics calculates some prometheus metrics e.g. average delay.
+func CalcPrometheusMetrics() {
+	total := utils.GetTotalLink()
+	for i := 0; i < total; i++ {
+		val, ok := MetricMap.Load(i)
+		if !ok {
+			continue
+		}
+		singleMetric := val.(*Metric)
+		averageDelayInMs.WithLabelValues(strconv.Itoa(i)).Set(singleMetric.GetAvgDelayFloat64())
+	}
+}
diff --git a/src/redis-shake/restful/restful.go b/src/redis-shake/restful/restful.go
index 06eb06f..ec3e87d 100644
--- a/src/redis-shake/restful/restful.go
+++ b/src/redis-shake/restful/restful.go
@@ -1,14 +1,18 @@
 package restful
 
 import (
-	"github.com/gugemichael/nimo4go"
-	"redis-shake/metric"
+	"net/http"
 	"redis-shake/common"
+	"redis-shake/metric"
+
+	"github.com/gugemichael/nimo4go"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
 
 // register all rest api
 func RestAPI() {
-	registerMetric() // register metric
+	registerMetric()           // register metric
+	registerPrometheusMetric() // register prometheus metrics
 	// add below if has more
 }
 
@@ -17,3 +21,10 @@ func registerMetric() {
 		return metric.NewMetricRest()
 	})
 }
+
+func registerPrometheusMetric() {
+	http.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) {
+		metric.CalcPrometheusMetrics()
+		promhttp.Handler().ServeHTTP(w, req)
+	})
+}
diff --git a/src/redis-shake/sync.go b/src/redis-shake/sync.go
index 90f51ab..f53a83c 100644
--- a/src/redis-shake/sync.go
+++ b/src/redis-shake/sync.go
@@ -464,7 +464,7 @@ func (ds *dbSyncer) syncRDBFile(reader *bufio.Reader, target []string, auth_type
 			fmt.Fprintf(&b, "  ignore=%-12d", stat.ignore)
 		}
 		log.Info(b.String())
-		metric.GetMetric(ds.id).SetFullSyncProgress(uint64(100 * stat.rbytes / nsize))
+		metric.GetMetric(ds.id).SetFullSyncProgress(ds.id, uint64(100*stat.rbytes/nsize))
 	}
 	log.Infof("dbSyncer[%v] sync rdb done", ds.id)
 }
@@ -535,9 +535,9 @@ func (ds *dbSyncer) syncCommand(reader *bufio.Reader, target []string, auth_type
 			}
 
 			if err == nil {
-				metric.GetMetric(ds.id).AddSuccessCmdCount(1)
+				metric.GetMetric(ds.id).AddSuccessCmdCount(ds.id, 1)
 			} else {
-				metric.GetMetric(ds.id).AddFailCmdCount(1)
+				metric.GetMetric(ds.id).AddFailCmdCount(ds.id, 1)
 				if utils.CheckHandleNetError(err) {
 					log.Panicf("dbSyncer[%v] Event:NetErrorWhileReceive\tId:%s\tError:%s",
 						ds.id, conf.Options.Id, err.Error())
@@ -589,7 +589,7 @@ func (ds *dbSyncer) syncCommand(reader *bufio.Reader, target []string, auth_type
 			if scmd, argv, err = redis.ParseArgs(resp); err != nil {
 				log.PanicErrorf(err, "dbSyncer[%v] parse command arguments failed", ds.id)
 			} else {
-				metric.GetMetric(ds.id).AddPullCmdCount(1)
+				metric.GetMetric(ds.id).AddPullCmdCount(ds.id, 1)
 
 				// print debug log of send command
 				if conf.Options.LogLevel == utils.LogLevelAll {
@@ -619,7 +619,7 @@ func (ds *dbSyncer) syncCommand(reader *bufio.Reader, target []string, auth_type
 					if bypass || ignorecmd {
 						ds.nbypass.Incr()
 						// ds.SyncStat.BypassCmdCount.Incr()
-						metric.GetMetric(ds.id).AddBypassCmdCount(1)
+						metric.GetMetric(ds.id).AddBypassCmdCount(ds.id, 1)
 						log.Debugf("dbSyncer[%v] ignore command[%v]", ds.id, scmd)
 						continue
 					}
@@ -654,7 +654,7 @@ func (ds *dbSyncer) syncCommand(reader *bufio.Reader, target []string, auth_type
 					ds.sendBuf <- cmdDetail{Cmd: "SELECT", Args: [][]byte{[]byte(strconv.FormatInt(int64(lastdb), 10))}}
 				} else {
 					ds.nbypass.Incr()
-					metric.GetMetric(ds.id).AddBypassCmdCount(1)
+					metric.GetMetric(ds.id).AddBypassCmdCount(ds.id, 1)
 				}
 				continue
 			}
@@ -682,8 +682,8 @@ func (ds *dbSyncer) syncCommand(reader *bufio.Reader, target []string, auth_type
 
 			ds.forward.Incr()
 			ds.wbytes.Add(int64(length))
-			metric.GetMetric(ds.id).AddPushCmdCount(1)
-			metric.GetMetric(ds.id).AddNetworkFlow(uint64(length))
+			metric.GetMetric(ds.id).AddPushCmdCount(ds.id, 1)
+			metric.GetMetric(ds.id).AddNetworkFlow(ds.id, uint64(length))
 			sendId.Incr()
 
 			if conf.Options.Metric {
diff --git a/src/vendor/vendor.json b/src/vendor/vendor.json
index 2d4730a..82240fa 100644
--- a/src/vendor/vendor.json
+++ b/src/vendor/vendor.json
@@ -8,6 +8,12 @@
 			"revision": "76bd05e8e22f9f8f5e1dd6d3a85b7951da7cce57",
 			"revisionTime": "2017-12-04T08:54:13Z"
 		},
+		{
+			"checksumSHA1": "0rido7hYHQtfq3UJzVT5LClLAWc=",
+			"path": "github.com/beorn7/perks/quantile",
+			"revision": "4b2b341e8d7715fae06375aa633dbb6e91b3fb46",
+			"revisionTime": "2019-04-14T22:11:40Z"
+		},
 		{
 			"checksumSHA1": "1/Kf0ihi6RtfNt0JjAtZLKvfqJY=",
 			"path": "github.com/cupcake/rdb",
@@ -50,12 +56,24 @@
 			"revision": "569eae59ada904ea8db7a225c2b47165af08735a",
 			"revisionTime": "2018-04-04T16:07:26Z"
 		},
+		{
+			"checksumSHA1": "CGj8VcI/CpzxaNqlqpEVM7qElD4=",
+			"path": "github.com/golang/protobuf/proto",
+			"revision": "b285ee9cfc6c881bb20c0d8dc73370ea9b9ec90f",
+			"revisionTime": "2019-05-17T06:12:10Z"
+		},
 		{
 			"checksumSHA1": "63olncsMU/K9MMKxt4zuKSyoNg0=",
 			"path": "github.com/gugemichael/nimo4go",
 			"revision": "cbcfac21339d78efaed9ed09dcba7296d9976118",
 			"revisionTime": "2018-09-04T03:08:18Z"
 		},
+		{
+			"checksumSHA1": "bKMZjd2wPw13VwoE7mBeSv5djFA=",
+			"path": "github.com/matttproud/golang_protobuf_extensions/pbutil",
+			"revision": "c182affec369e30f25d3eb8cd8a478dee585ae7d",
+			"revisionTime": "2018-12-31T17:19:20Z"
+		},
 		{
 			"checksumSHA1": "W7TFJ3aRSUenZvYVnzrOZPoIOjs=",
 			"path": "github.com/nightlyone/lockfile",
@@ -68,6 +86,66 @@
 			"revision": "5d4384ee4fb2527b0a1256a821ebfc92f91efefc",
 			"revisionTime": "2018-12-26T10:54:42Z"
 		},
+		{
+			"checksumSHA1": "x5CuZuHwidIOrzy/g2NQMDJMIxQ=",
+			"path": "github.com/prometheus/client_golang/prometheus",
+			"revision": "3d8379da8fc2309dd563f593f15a739054c098bc",
+			"revisionTime": "2019-06-17T18:27:57Z"
+		},
+		{
+			"checksumSHA1": "UBqhkyjCz47+S19MVTigxJ2VjVQ=",
+			"path": "github.com/prometheus/client_golang/prometheus/internal",
+			"revision": "3d8379da8fc2309dd563f593f15a739054c098bc",
+			"revisionTime": "2019-06-17T18:27:57Z"
+		},
+		{
+			"checksumSHA1": "BFMAsj5z3cYaNKx9fwHrazQRFvI=",
+			"path": "github.com/prometheus/client_golang/prometheus/promauto",
+			"revision": "3d8379da8fc2309dd563f593f15a739054c098bc",
+			"revisionTime": "2019-06-17T18:27:57Z"
+		},
+		{
+			"checksumSHA1": "V51yx4gq61QCD9clxnps792Eq2Y=",
+			"path": "github.com/prometheus/client_golang/prometheus/promhttp",
+			"revision": "3d8379da8fc2309dd563f593f15a739054c098bc",
+			"revisionTime": "2019-06-17T18:27:57Z"
+		},
+		{
+			"checksumSHA1": "V8xkqgmP66sq2ZW4QO5wi9a4oZE=",
+			"path": "github.com/prometheus/client_model/go",
+			"revision": "fd36f4220a901265f90734c3183c5f0c91daa0b8",
+			"revisionTime": "2019-01-29T23:31:27Z"
+		},
+		{
+			"checksumSHA1": "ljxJzXiQ7dNsmuRIUhqqP+qjRWc=",
+			"path": "github.com/prometheus/common/expfmt",
+			"revision": "31bed53e4047fd6c510e43a941f90cb31be0972a",
+			"revisionTime": "2019-06-17T21:11:42Z"
+		},
+		{
+			"checksumSHA1": "1Mhfofk+wGZ94M0+Bd98K8imPD4=",
+			"path": "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg",
+			"revision": "31bed53e4047fd6c510e43a941f90cb31be0972a",
+			"revisionTime": "2019-06-17T21:11:42Z"
+		},
+		{
+			"checksumSHA1": "ccmMs+h9Jo8kE7izqsUkWShD4d0=",
+			"path": "github.com/prometheus/common/model",
+			"revision": "31bed53e4047fd6c510e43a941f90cb31be0972a",
+			"revisionTime": "2019-06-17T21:11:42Z"
+		},
+		{
+			"checksumSHA1": "L4ayL3hh390Bk5vmXgtNGo9d/rc=",
+			"path": "github.com/prometheus/procfs",
+			"revision": "90b65b6334013b0a1cfce27ce5c79feb7da2f77a",
+			"revisionTime": "2019-06-14T00:01:41Z"
+		},
+		{
+			"checksumSHA1": "Kmjs49lbjGmlgUPx3pks0tVDed0=",
+			"path": "github.com/prometheus/procfs/internal/fs",
+			"revision": "90b65b6334013b0a1cfce27ce5c79feb7da2f77a",
+			"revisionTime": "2019-06-14T00:01:41Z"
+		},
 		{
 			"checksumSHA1": "Tutue3nEgM/87jitUcYv6ODwyNE=",
 			"path": "github.com/satori/go.uuid",
@@ -92,6 +170,5 @@
 			"revision": "a96e63847dc3c67d17befa69c303767e2f84e54f",
 			"revisionTime": "2017-05-31T16:03:50Z"
 		}
-	],
-	"rootPath": "/Users/vinllen-ali/code/redis-shake-inner/redis-shake/src"
+	]
 }