diff --git a/cmd/frostfs-node/config.go b/cmd/frostfs-node/config.go
index 7588032911..c88b7224e7 100644
--- a/cmd/frostfs-node/config.go
+++ b/cmd/frostfs-node/config.go
@@ -679,7 +679,7 @@ func (c *cfg) engineOpts() []engine.Option {
 	)
 
 	if c.metricsCollector != nil {
-		opts = append(opts, engine.WithMetrics(c.metricsCollector))
+		opts = append(opts, engine.WithMetrics(c.metricsCollector.Engine()))
 	}
 
 	return opts
diff --git a/cmd/frostfs-node/control.go b/cmd/frostfs-node/control.go
index f4b0684193..3ed6bc54ac 100644
--- a/cmd/frostfs-node/control.go
+++ b/cmd/frostfs-node/control.go
@@ -80,7 +80,7 @@ func (c *cfg) setHealthStatus(st control.HealthStatus) {
 	c.healthStatus.Store(int32(st))
 
 	if c.metricsCollector != nil {
-		c.metricsCollector.SetHealth(int32(st))
+		c.metricsCollector.State().SetHealth(int32(st))
 	}
 }
 
diff --git a/cmd/frostfs-node/object.go b/cmd/frostfs-node/object.go
index 7a409da037..0476dbcace 100644
--- a/cmd/frostfs-node/object.go
+++ b/cmd/frostfs-node/object.go
@@ -195,7 +195,7 @@ func initObjectService(c *cfg) {
 	)
 
 	c.shared.metricsSvc = objectService.NewMetricCollector(
-		signSvc, c.metricsCollector, metricsconfig.Enabled(c.appCfg))
+		signSvc, c.metricsCollector.ObjectService(), metricsconfig.Enabled(c.appCfg))
 	server := objectTransportGRPC.New(c.shared.metricsSvc)
 
 	for _, srv := range c.cfgGRPC.servers {
@@ -272,7 +272,7 @@ func createReplicator(c *cfg, keyStorage *util.KeyStorage, cache *cache.ClientCa
 		replicator.WithRemoteSender(
 			putsvc.NewRemoteSender(keyStorage, cache),
 		),
-		replicator.WithMetrics(c.metricsCollector),
+		replicator.WithMetrics(c.metricsCollector.Replicator()),
 	)
 }
 
diff --git a/pkg/metrics/engine.go b/pkg/metrics/engine.go
index 4b32344e4f..19e3591a66 100644
--- a/pkg/metrics/engine.go
+++ b/pkg/metrics/engine.go
@@ -7,23 +7,40 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-type (
-	engineMetrics struct {
-		methodDuration *prometheus.HistogramVec
+type EngineMetrics interface {
+	AddMethodDuration(method string, d time.Duration)
+	AddToContainerSize(cnrID string, size int64)
+	IncErrorCounter(shardID string)
+	ClearErrorCounter(shardID string)
+	DeleteShardMetrics(shardID string)
+	AddToObjectCounter(shardID, objectType string, delta int)
+	SetObjectCounter(shardID, objectType string, v uint64)
+	AddToPayloadCounter(shardID string, size int64)
+	SetReadonly(shardID string, readonly bool)
 
-		containerSize *prometheus.GaugeVec
-		payloadSize   *prometheus.GaugeVec
-		errorCounter  *prometheus.GaugeVec
-	}
-)
+	WriteCache() WriteCacheMetrics
+	GC() GCMetrics
+}
+
+type engineMetrics struct {
+	methodDuration *prometheus.HistogramVec
+	objectCounter  *prometheus.GaugeVec
+	containerSize  *prometheus.GaugeVec
+	payloadSize    *prometheus.GaugeVec
+	errorCounter   *prometheus.GaugeVec
+	shardsReadonly *prometheus.GaugeVec
+
+	gc         *gcMetrics
+	writeCache *writeCacheMetrics
+}
 
 const (
 	engineSubsystem = "engine"
 	engineMethod    = "method"
 )
 
-func newEngineMetrics() engineMetrics {
-	return engineMetrics{
+func newEngineMetrics() *engineMetrics {
+	return &engineMetrics{
 		containerSize: newEngineGaugeVector("container_size_bytes", "Accumulated size of all objects in a container", []string{containerIDLabelKey}),
 		payloadSize:   newEngineGaugeVector("payload_size_bytes", "Accumulated size of all objects in a shard", []string{shardIDLabelKey}),
 		errorCounter:  newEngineGaugeVector("error_counter", "Shard's error counter", []string{shardIDLabelKey}),
@@ -33,6 +50,10 @@ func newEngineMetrics() engineMetrics {
 			Name:      "request_duration_seconds",
 			Help:      "Duration of Engine requests",
 		}, []string{engineMethod}),
+		objectCounter:  newEngineGaugeVector("object_counter", "Objects counters per shards", []string{shardIDLabelKey, counterTypeLabelKey}),
+		shardsReadonly: newEngineGaugeVector("mode", "Shard mode", []string{shardIDLabelKey}),
+		gc:             newGCMetrics(),
+		writeCache:     newWriteCacheMetrics(),
 	}
 }
 
@@ -51,23 +72,63 @@ func (m *engineMetrics) AddMethodDuration(method string, d time.Duration) {
 	}).Observe(d.Seconds())
 }
 
-func (m engineMetrics) AddToContainerSize(cnrID string, size int64) {
+func (m *engineMetrics) AddToContainerSize(cnrID string, size int64) {
 	m.containerSize.With(prometheus.Labels{containerIDLabelKey: cnrID}).Add(float64(size))
 }
 
-func (m engineMetrics) AddToPayloadCounter(shardID string, size int64) {
+func (m *engineMetrics) AddToPayloadCounter(shardID string, size int64) {
 	m.payloadSize.With(prometheus.Labels{shardIDLabelKey: shardID}).Add(float64(size))
 }
 
-func (m engineMetrics) IncErrorCounter(shardID string) {
+func (m *engineMetrics) IncErrorCounter(shardID string) {
 	m.errorCounter.With(prometheus.Labels{shardIDLabelKey: shardID}).Inc()
 }
 
-func (m engineMetrics) ClearErrorCounter(shardID string) {
+func (m *engineMetrics) ClearErrorCounter(shardID string) {
 	m.errorCounter.With(prometheus.Labels{shardIDLabelKey: shardID}).Set(0)
 }
 
-func (m engineMetrics) DeleteShardMetrics(shardID string) {
+func (m *engineMetrics) DeleteShardMetrics(shardID string) {
 	m.errorCounter.Delete(prometheus.Labels{shardIDLabelKey: shardID})
 	m.payloadSize.Delete(prometheus.Labels{shardIDLabelKey: shardID})
+	m.objectCounter.DeletePartialMatch(prometheus.Labels{shardIDLabelKey: shardID})
+	m.shardsReadonly.Delete(prometheus.Labels{shardIDLabelKey: shardID})
+}
+
+func (m *engineMetrics) AddToObjectCounter(shardID, objectType string, delta int) {
+	m.objectCounter.With(
+		prometheus.Labels{
+			shardIDLabelKey:     shardID,
+			counterTypeLabelKey: objectType,
+		},
+	).Add(float64(delta))
+}
+
+func (m *engineMetrics) SetObjectCounter(shardID, objectType string, v uint64) {
+	m.objectCounter.With(
+		prometheus.Labels{
+			shardIDLabelKey:     shardID,
+			counterTypeLabelKey: objectType,
+		},
+	).Set(float64(v))
+}
+
+func (m *engineMetrics) SetReadonly(shardID string, readonly bool) {
+	var flag float64
+	if readonly {
+		flag = 1
+	}
+	m.shardsReadonly.With(
+		prometheus.Labels{
+			shardIDLabelKey: shardID,
+		},
+	).Set(flag)
+}
+
+func (m *engineMetrics) WriteCache() WriteCacheMetrics {
+	return m.writeCache
+}
+
+func (m *engineMetrics) GC() GCMetrics {
+	return m.gc
 }
diff --git a/pkg/metrics/innerring.go b/pkg/metrics/innerring.go
index d756a539f5..b3cb3e285a 100644
--- a/pkg/metrics/innerring.go
+++ b/pkg/metrics/innerring.go
@@ -54,22 +54,22 @@ func NewInnerRingMetrics() *InnerRingServiceMetrics {
 }
 
 // SetEpoch updates epoch metrics.
-func (m InnerRingServiceMetrics) SetEpoch(epoch uint64) {
+func (m *InnerRingServiceMetrics) SetEpoch(epoch uint64) {
 	m.epoch.Set(float64(epoch))
 }
 
 // SetHealth updates health metrics.
-func (m InnerRingServiceMetrics) SetHealth(s int32) {
+func (m *InnerRingServiceMetrics) SetHealth(s int32) {
 	m.health.Set(float64(s))
 }
 
-func (m InnerRingServiceMetrics) AddEvent(d time.Duration, typ string, success bool) {
+func (m *InnerRingServiceMetrics) AddEvent(d time.Duration, typ string, success bool) {
 	m.eventDuration.With(prometheus.Labels{
 		innerRingLabelType:    typ,
 		innerRingLabelSuccess: strconv.FormatBool(success),
 	}).Observe(d.Seconds())
 }
 
-func (m InnerRingServiceMetrics) MorphCacheMetrics() MorphCacheMetrics {
+func (m *InnerRingServiceMetrics) MorphCacheMetrics() MorphCacheMetrics {
 	return m.morphCacheMetrics
 }
diff --git a/pkg/metrics/node.go b/pkg/metrics/node.go
index 16a4c2b5bc..232c178d85 100644
--- a/pkg/metrics/node.go
+++ b/pkg/metrics/node.go
@@ -8,15 +8,12 @@ import (
 const namespace = "frostfs_node"
 
 type NodeMetrics struct {
-	objectServiceMetrics
-	engineMetrics
-	stateMetrics
-	replicatorMetrics
-
-	writeCacheMetrics *writeCacheMetrics
-	treeService       *treeServiceMetrics
-	epoch             prometheus.Gauge
-	gc                *gcMetrics
+	engine        *engineMetrics
+	state         *stateMetrics
+	replicator    *replicatorMetrics
+	objectService *objectServiceMetrics
+	treeService   *treeServiceMetrics
+	epoch         prometheus.Gauge
 }
 
 func NewNodeMetrics() *NodeMetrics {
@@ -37,19 +34,13 @@ func NewNodeMetrics() *NodeMetrics {
 		Help:      "Current epoch as seen by inner-ring node.",
 	})
 
-	writeCacheMetrics := newWriteCacheMetrics()
-
-	gc := newGCMetrics()
-
 	return &NodeMetrics{
-		objectServiceMetrics: objectService,
-		engineMetrics:        engine,
-		stateMetrics:         state,
-		replicatorMetrics:    replicator,
-		treeService:          treeService,
-		epoch:                epoch,
-		writeCacheMetrics:    writeCacheMetrics,
-		gc:                   gc,
+		objectService: objectService,
+		engine:        engine,
+		state:         state,
+		replicator:    replicator,
+		treeService:   treeService,
+		epoch:         epoch,
 	}
 }
 
@@ -58,18 +49,22 @@ func (m *NodeMetrics) SetEpoch(epoch uint64) {
 	m.epoch.Set(float64(epoch))
 }
 
-// WriteCache returns WriteCache metrics.
-func (m *NodeMetrics) WriteCache() WriteCacheMetrics {
-	if m == nil {
-		return nil
-	}
-	return m.writeCacheMetrics
-}
-
 func (m *NodeMetrics) TreeService() TreeMetricsRegister {
 	return m.treeService
 }
 
-func (m *NodeMetrics) GC() GCMetrics {
-	return m.gc
+func (m *NodeMetrics) Replicator() ReplicatorMetrics {
+	return m.replicator
+}
+
+func (m *NodeMetrics) ObjectService() ObjectServiceMetrics {
+	return m.objectService
+}
+
+func (m *NodeMetrics) Engine() EngineMetrics {
+	return m.engine
+}
+
+func (m *NodeMetrics) State() StateMetrics {
+	return m.state
 }
diff --git a/pkg/metrics/object.go b/pkg/metrics/object.go
index 87916414d7..6e1b3a5c47 100644
--- a/pkg/metrics/object.go
+++ b/pkg/metrics/object.go
@@ -1,8 +1,7 @@
 package metrics
 
 import (
-	"fmt"
-	"strings"
+	"strconv"
 	"time"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
@@ -11,207 +10,50 @@ import (
 
 const objectSubsystem = "object"
 
-type (
-	methodCount struct {
-		success prometheus.Counter
-		total   prometheus.Counter
-	}
+type ObjectServiceMetrics interface {
+	AddRequestDuration(method string, d time.Duration, success bool)
+	AddPayloadSize(method string, size int)
+}
 
-	objectServiceMetrics struct {
-		getCounter       methodCount
-		putCounter       methodCount
-		headCounter      methodCount
-		searchCounter    methodCount
-		deleteCounter    methodCount
-		rangeCounter     methodCount
-		rangeHashCounter methodCount
-
-		getDuration       prometheus.Counter
-		putDuration       prometheus.Counter
-		headDuration      prometheus.Counter
-		searchDuration    prometheus.Counter
-		deleteDuration    prometheus.Counter
-		rangeDuration     prometheus.Counter
-		rangeHashDuration prometheus.Counter
-
-		putPayload prometheus.Counter
-		getPayload prometheus.Counter
-
-		shardMetrics   *prometheus.GaugeVec
-		shardsReadonly *prometheus.GaugeVec
-	}
-)
+type objectServiceMetrics struct {
+	methodDuration *prometheus.HistogramVec
+	payloadCounter *prometheus.CounterVec
+}
 
 const (
 	shardIDLabelKey     = "shard"
 	counterTypeLabelKey = "type"
 	containerIDLabelKey = "cid"
+	methodLabelKey      = "method"
+	successLabelKey     = "success"
 )
 
-func newObjectMethodCallCounter(name string) methodCount {
-	return methodCount{
-		success: metrics.NewCounter(prometheus.CounterOpts{
+func newObjectServiceMetrics() *objectServiceMetrics {
+	return &objectServiceMetrics{
+		methodDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
 			Namespace: namespace,
 			Subsystem: objectSubsystem,
-			Name:      fmt.Sprintf("%s_req_count_success", name),
-			Help:      fmt.Sprintf("The number of successful %s requests processed", name),
-		}),
-		total: metrics.NewCounter(prometheus.CounterOpts{
+			Name:      "request_duration_seconds",
+			Help:      "Object Service request process duration",
+		}, []string{methodLabelKey, successLabelKey}),
+		payloadCounter: metrics.NewCounterVec(prometheus.CounterOpts{
 			Namespace: namespace,
 			Subsystem: objectSubsystem,
-			Name:      fmt.Sprintf("%s_req_count", name),
-			Help:      fmt.Sprintf("Total number of %s requests processed", name),
-		}),
+			Name:      "request_payload_bytes",
+			Help:      "Object Service request payload",
+		}, []string{methodLabelKey}),
 	}
 }
 
-func (m methodCount) Inc(success bool) {
-	m.total.Inc()
-	if success {
-		m.success.Inc()
-	}
+func (m *objectServiceMetrics) AddRequestDuration(method string, d time.Duration, success bool) {
+	m.methodDuration.With(prometheus.Labels{
+		methodLabelKey:  method,
+		successLabelKey: strconv.FormatBool(success),
+	}).Observe(d.Seconds())
 }
 
-func newObjectServiceMetrics() objectServiceMetrics {
-	return objectServiceMetrics{
-		getCounter:        newObjectMethodCallCounter("get"),
-		putCounter:        newObjectMethodCallCounter("put"),
-		headCounter:       newObjectMethodCallCounter("head"),
-		searchCounter:     newObjectMethodCallCounter("search"),
-		deleteCounter:     newObjectMethodCallCounter("delete"),
-		rangeCounter:      newObjectMethodCallCounter("range"),
-		rangeHashCounter:  newObjectMethodCallCounter("range_hash"),
-		getDuration:       newObjectMethodDurationCounter("get"),
-		putDuration:       newObjectMethodDurationCounter("put"),
-		headDuration:      newObjectMethodDurationCounter("head"),
-		searchDuration:    newObjectMethodDurationCounter("search"),
-		deleteDuration:    newObjectMethodDurationCounter("delete"),
-		rangeDuration:     newObjectMethodDurationCounter("range"),
-		rangeHashDuration: newObjectMethodDurationCounter("range_hash"),
-		putPayload:        newObjectMethodPayloadCounter("put"),
-		getPayload:        newObjectMethodPayloadCounter("get"),
-		shardMetrics:      newObjectGaugeVector("counter", "Objects counters per shards", []string{shardIDLabelKey, counterTypeLabelKey}),
-		shardsReadonly:    newObjectGaugeVector("readonly", "Shard state", []string{shardIDLabelKey}),
-	}
-}
-
-func newObjectMethodPayloadCounter(method string) prometheus.Counter {
-	return metrics.NewCounter(prometheus.CounterOpts{
-		Namespace: namespace,
-		Subsystem: objectSubsystem,
-		Name:      fmt.Sprintf("%s_payload", method),
-		Help:      fmt.Sprintf("Accumulated payload size at object %s method", strings.ReplaceAll(method, "_", " ")),
-	})
-}
-
-func newObjectMethodDurationCounter(method string) prometheus.Counter {
-	return metrics.NewCounter(prometheus.CounterOpts{
-		Namespace: namespace,
-		Subsystem: objectSubsystem,
-		Name:      fmt.Sprintf("%s_req_duration", method),
-		Help:      fmt.Sprintf("Accumulated %s request process duration", strings.ReplaceAll(method, "_", " ")),
-	})
-}
-
-func newObjectGaugeVector(name, help string, labels []string) *prometheus.GaugeVec {
-	return metrics.NewGaugeVec(prometheus.GaugeOpts{
-		Namespace: namespace,
-		Subsystem: objectSubsystem,
-		Name:      name,
-		Help:      help,
-	}, labels)
-}
-
-func (m objectServiceMetrics) IncGetReqCounter(success bool) {
-	m.getCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) IncPutReqCounter(success bool) {
-	m.putCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) IncHeadReqCounter(success bool) {
-	m.headCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) IncSearchReqCounter(success bool) {
-	m.searchCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) IncDeleteReqCounter(success bool) {
-	m.deleteCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) IncRangeReqCounter(success bool) {
-	m.rangeCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) IncRangeHashReqCounter(success bool) {
-	m.rangeHashCounter.Inc(success)
-}
-
-func (m objectServiceMetrics) AddGetReqDuration(d time.Duration) {
-	m.getDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddPutReqDuration(d time.Duration) {
-	m.putDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddHeadReqDuration(d time.Duration) {
-	m.headDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddSearchReqDuration(d time.Duration) {
-	m.searchDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddDeleteReqDuration(d time.Duration) {
-	m.deleteDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddRangeReqDuration(d time.Duration) {
-	m.rangeDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddRangeHashReqDuration(d time.Duration) {
-	m.rangeHashDuration.Add(float64(d))
-}
-
-func (m objectServiceMetrics) AddPutPayload(ln int) {
-	m.putPayload.Add(float64(ln))
-}
-
-func (m objectServiceMetrics) AddGetPayload(ln int) {
-	m.getPayload.Add(float64(ln))
-}
-
-func (m objectServiceMetrics) AddToObjectCounter(shardID, objectType string, delta int) {
-	m.shardMetrics.With(
-		prometheus.Labels{
-			shardIDLabelKey:     shardID,
-			counterTypeLabelKey: objectType,
-		},
-	).Add(float64(delta))
-}
-
-func (m objectServiceMetrics) SetObjectCounter(shardID, objectType string, v uint64) {
-	m.shardMetrics.With(
-		prometheus.Labels{
-			shardIDLabelKey:     shardID,
-			counterTypeLabelKey: objectType,
-		},
-	).Set(float64(v))
-}
-
-func (m objectServiceMetrics) SetReadonly(shardID string, readonly bool) {
-	var flag float64
-	if readonly {
-		flag = 1
-	}
-	m.shardsReadonly.With(
-		prometheus.Labels{
-			shardIDLabelKey: shardID,
-		},
-	).Set(flag)
+func (m *objectServiceMetrics) AddPayloadSize(method string, size int) {
+	m.payloadCounter.With(prometheus.Labels{
+		methodLabelKey: method,
+	}).Add(float64(size))
 }
diff --git a/pkg/metrics/replicator.go b/pkg/metrics/replicator.go
index 0deafe916f..dbcc67338a 100644
--- a/pkg/metrics/replicator.go
+++ b/pkg/metrics/replicator.go
@@ -7,30 +7,39 @@ import (
 
 const replicatorSubsystem = "replicator"
 
+//TODO
+
+type ReplicatorMetrics interface {
+	IncInFlightRequest()
+	DecInFlightRequest()
+	IncProcessedObjects()
+	AddPayloadSize(size int64)
+}
+
 type replicatorMetrics struct {
 	inFlightRequests           prometheus.Gauge
 	processedObjects           prometheus.Counter
 	totalReplicatedPayloadSize prometheus.Counter
 }
 
-func (m replicatorMetrics) IncInFlightRequest() {
+func (m *replicatorMetrics) IncInFlightRequest() {
 	m.inFlightRequests.Inc()
 }
 
-func (m replicatorMetrics) DecInFlightRequest() {
+func (m *replicatorMetrics) DecInFlightRequest() {
 	m.inFlightRequests.Dec()
 }
 
-func (m replicatorMetrics) IncProcessedObjects() {
+func (m *replicatorMetrics) IncProcessedObjects() {
 	m.processedObjects.Inc()
 }
 
-func (m replicatorMetrics) AddPayloadSize(size int64) {
+func (m *replicatorMetrics) AddPayloadSize(size int64) {
 	m.totalReplicatedPayloadSize.Add(float64(size))
 }
 
-func newReplicatorMetrics() replicatorMetrics {
-	return replicatorMetrics{
+func newReplicatorMetrics() *replicatorMetrics {
+	return &replicatorMetrics{
 		inFlightRequests:           newReplicatorGauge("in_flight_requests", "Number of in-flight requests"),
 		processedObjects:           newReplicatorCounter("processed_objects", "Number of objects processed since the node startup"),
 		totalReplicatedPayloadSize: newReplicatorCounter("total_replicated_payload_size", "Total size of payloads replicated"),
diff --git a/pkg/metrics/state.go b/pkg/metrics/state.go
index 8938499110..76a8d8ac9e 100644
--- a/pkg/metrics/state.go
+++ b/pkg/metrics/state.go
@@ -7,12 +7,16 @@ import (
 
 const stateSubsystem = "state"
 
+type StateMetrics interface {
+	SetHealth(s int32)
+}
+
 type stateMetrics struct {
 	healthCheck prometheus.Gauge
 }
 
-func newStateMetrics() stateMetrics {
-	return stateMetrics{
+func newStateMetrics() *stateMetrics {
+	return &stateMetrics{
 		healthCheck: metrics.NewGauge(prometheus.GaugeOpts{
 			Namespace: namespace,
 			Subsystem: stateSubsystem,
@@ -22,6 +26,6 @@ func newStateMetrics() stateMetrics {
 	}
 }
 
-func (m stateMetrics) SetHealth(s int32) {
+func (m *stateMetrics) SetHealth(s int32) {
 	m.healthCheck.Set(float64(s))
 }
diff --git a/pkg/services/object/metrics.go b/pkg/services/object/metrics.go
index 3ea16dafd7..4873749400 100644
--- a/pkg/services/object/metrics.go
+++ b/pkg/services/object/metrics.go
@@ -28,24 +28,8 @@ type (
 	}
 
 	MetricRegister interface {
-		IncGetReqCounter(success bool)
-		IncPutReqCounter(success bool)
-		IncHeadReqCounter(success bool)
-		IncSearchReqCounter(success bool)
-		IncDeleteReqCounter(success bool)
-		IncRangeReqCounter(success bool)
-		IncRangeHashReqCounter(success bool)
-
-		AddGetReqDuration(time.Duration)
-		AddPutReqDuration(time.Duration)
-		AddHeadReqDuration(time.Duration)
-		AddSearchReqDuration(time.Duration)
-		AddDeleteReqDuration(time.Duration)
-		AddRangeReqDuration(time.Duration)
-		AddRangeHashReqDuration(time.Duration)
-
-		AddPutPayload(int)
-		AddGetPayload(int)
+		AddRequestDuration(string, time.Duration, bool)
+		AddPayloadSize(string, int)
 	}
 )
 
@@ -61,8 +45,7 @@ func (m MetricCollector) Get(req *object.GetRequest, stream GetObjectStream) (er
 	if m.enabled {
 		t := time.Now()
 		defer func() {
-			m.metrics.IncGetReqCounter(err == nil)
-			m.metrics.AddGetReqDuration(time.Since(t))
+			m.metrics.AddRequestDuration("Get", time.Since(t), err == nil)
 		}()
 		err = m.next.Get(req, &getStreamMetric{
 			ServerStream: stream,
@@ -99,8 +82,7 @@ func (m MetricCollector) Head(ctx context.Context, request *object.HeadRequest)
 
 		res, err := m.next.Head(ctx, request)
 
-		m.metrics.IncHeadReqCounter(err == nil)
-		m.metrics.AddHeadReqDuration(time.Since(t))
+		m.metrics.AddRequestDuration("Head", time.Since(t), err == nil)
 
 		return res, err
 	}
@@ -113,8 +95,7 @@ func (m MetricCollector) Search(req *object.SearchRequest, stream SearchStream)
 
 		err := m.next.Search(req, stream)
 
-		m.metrics.IncSearchReqCounter(err == nil)
-		m.metrics.AddSearchReqDuration(time.Since(t))
+		m.metrics.AddRequestDuration("Search", time.Since(t), err == nil)
 
 		return err
 	}
@@ -127,8 +108,7 @@ func (m MetricCollector) Delete(ctx context.Context, request *object.DeleteReque
 
 		res, err := m.next.Delete(ctx, request)
 
-		m.metrics.IncDeleteReqCounter(err == nil)
-		m.metrics.AddDeleteReqDuration(time.Since(t))
+		m.metrics.AddRequestDuration("Delete", time.Since(t), err == nil)
 		return res, err
 	}
 	return m.next.Delete(ctx, request)
@@ -140,8 +120,7 @@ func (m MetricCollector) GetRange(req *object.GetRangeRequest, stream GetObjectR
 
 		err := m.next.GetRange(req, stream)
 
-		m.metrics.IncRangeReqCounter(err == nil)
-		m.metrics.AddRangeReqDuration(time.Since(t))
+		m.metrics.AddRequestDuration("GetRange", time.Since(t), err == nil)
 
 		return err
 	}
@@ -154,8 +133,7 @@ func (m MetricCollector) GetRangeHash(ctx context.Context, request *object.GetRa
 
 		res, err := m.next.GetRangeHash(ctx, request)
 
-		m.metrics.IncRangeHashReqCounter(err == nil)
-		m.metrics.AddRangeHashReqDuration(time.Since(t))
+		m.metrics.AddRequestDuration("GetRangeHash", time.Since(t), err == nil)
 
 		return res, err
 	}
@@ -173,7 +151,7 @@ func (m *MetricCollector) Disable() {
 func (s getStreamMetric) Send(resp *object.GetResponse) error {
 	chunk, ok := resp.GetBody().GetObjectPart().(*object.GetObjectPartChunk)
 	if ok {
-		s.metrics.AddGetPayload(len(chunk.GetChunk()))
+		s.metrics.AddPayloadSize("Get", len(chunk.GetChunk()))
 	}
 
 	return s.stream.Send(resp)
@@ -182,7 +160,7 @@ func (s getStreamMetric) Send(resp *object.GetResponse) error {
 func (s putStreamMetric) Send(ctx context.Context, req *object.PutRequest) error {
 	chunk, ok := req.GetBody().GetObjectPart().(*object.PutObjectPartChunk)
 	if ok {
-		s.metrics.AddPutPayload(len(chunk.GetChunk()))
+		s.metrics.AddPayloadSize("Put", len(chunk.GetChunk()))
 	}
 
 	return s.stream.Send(ctx, req)
@@ -191,8 +169,7 @@ func (s putStreamMetric) Send(ctx context.Context, req *object.PutRequest) error
 func (s putStreamMetric) CloseAndRecv(ctx context.Context) (*object.PutResponse, error) {
 	res, err := s.stream.CloseAndRecv(ctx)
 
-	s.metrics.IncPutReqCounter(err == nil)
-	s.metrics.AddPutReqDuration(time.Since(s.start))
+	s.metrics.AddRequestDuration("Put", time.Since(s.start), err == nil)
 
 	return res, err
 }