internal/logs/logs.go

@@ -516,4 +516,5 @@ const (
 	RuntimeSoftMemoryDefinedWithGOMEMLIMIT                                  = "soft runtime memory defined with GOMEMLIMIT environment variable, config value skipped"
 	FailedToCountWritecacheItems                                            = "failed to count writecache items"
 	AttemtToCloseAlreadyClosedBlobovnicza                                   = "attempt to close an already closed blobovnicza"
+	FailedToGetContainerCounters                                            = "failed to get container counters values"
 )

pkg/local_object_storage/engine/metrics.go

@@ -21,6 +21,10 @@ type MetricRegister interface {
 	ClearErrorCounter(shardID string)
 	DeleteShardMetrics(shardID string)
 
+	SetContainerObjectCounter(shardID, contID, objectType string, v uint64)
+	IncContainerObjectCounter(shardID, contID, objectType string)
+	SubContainerObjectCounter(shardID, contID, objectType string, v uint64)
+
 	WriteCache() metrics.WriteCacheMetrics
 	GC() metrics.GCMetrics
 }

pkg/local_object_storage/engine/shards.go

@@ -74,6 +74,18 @@ func (m *metricsWithID) DeleteShardMetrics() {
 	m.mw.DeleteShardMetrics(m.id)
 }
 
+func (m *metricsWithID) SetContainerObjectsCount(cnrID string, objectType string, value uint64) {
+	m.mw.SetContainerObjectCounter(m.id, cnrID, objectType, value)
+}
+
+func (m *metricsWithID) IncContainerObjectsCount(cnrID string, objectType string) {
+	m.mw.IncContainerObjectCounter(m.id, cnrID, objectType)
+}
+
+func (m *metricsWithID) SubContainerObjectsCount(cnrID string, objectType string, value uint64) {
+	m.mw.SubContainerObjectCounter(m.id, cnrID, objectType, value)
+}
+
 // AddShard adds a new shard to the storage engine.
 //
 // Returns any error encountered that did not allow adding a shard.

pkg/local_object_storage/metabase/control.go

@@ -103,12 +103,13 @@ func (db *DB) init(reset bool) error {
 	}
 
 	mStaticBuckets := map[string]struct{}{
-		string(containerVolumeBucketName): {},
+		string(containerVolumeBucketName):  {},
-		string(graveyardBucketName):       {},
+		string(containerCounterBucketName): {},
-		string(toMoveItBucketName):        {},
+		string(graveyardBucketName):        {},
-		string(garbageBucketName):         {},
+		string(toMoveItBucketName):         {},
-		string(shardInfoBucket):           {},
+		string(garbageBucketName):          {},
-		string(bucketNameLocked):          {},
+		string(shardInfoBucket):            {},
+		string(bucketNameLocked):           {},
 	}
 
 	return db.boltDB.Update(func(tx *bbolt.Tx) error {
@@ -135,7 +136,7 @@ func (db *DB) init(reset bool) error {
 			}
 		}
 
-		if !reset {
+		if !reset { // counters will be recalculated by refill metabase
 			err = syncCounter(tx, false)
 			if err != nil {
 				return fmt.Errorf("could not sync object counter: %w", err)

pkg/local_object_storage/metabase/counter.go

@@ -1,10 +1,15 @@
 package meta
 
 import (
+	"bytes"
+	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
+	"time"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/metaerr"
+	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
 	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"go.etcd.io/bbolt"
@@ -73,9 +78,128 @@ func (db *DB) ObjectCounters() (cc ObjectCounters, err error) {
 	return cc, metaerr.Wrap(err)
 }
 
-// updateCounter updates the object counter. Tx MUST be writable.
+type ContainerCounters struct {
-// If inc == `true`, increases the counter, decreases otherwise.
+	Logical  map[cid.ID]uint64
-func (db *DB) updateCounter(tx *bbolt.Tx, typ objectType, delta uint64, inc bool) error {
+	Physical map[cid.ID]uint64
+}
+
+// ContainerCounters returns object counters for each container
+// that metabase has tracked since it was opened and initialized.
+//
+// Returns only the errors that do not allow reading counter
+// in Bolt database.
+//
+// It is guaranteed that the ContainerCounters fields are not nil.
+func (db *DB) ContainerCounters(ctx context.Context) (ContainerCounters, error) {
+	var (
+		startedAt = time.Now()
+		success   = false
+	)
+	defer func() {
+		db.metrics.AddMethodDuration("ContainerCounters", time.Since(startedAt), success)
+	}()
+
+	ctx, span := tracing.StartSpanFromContext(ctx, "metabase.ContainerCounters")
+	defer span.End()
+
+	cc := ContainerCounters{
+		Logical:  make(map[cid.ID]uint64),
+		Physical: make(map[cid.ID]uint64),
+	}
+
+	lastKey := make([]byte, cidSize)
+
+	// there is no limit for containers count, so use batching with cancellation
+	for {
+		select {
+		case <-ctx.Done():
+			return cc, ctx.Err()
+		default:
+		}
+
+		completed, err := db.containerCountersNextBatch(lastKey, &cc)
+		if err != nil {
+			return cc, err
+		}
+		if completed {
+			break
+		}
+	}
+
+	success = true
+	return cc, nil
+}
+
+func (db *DB) containerCountersNextBatch(lastKey []byte, cc *ContainerCounters) (bool, error) {
+	db.modeMtx.RLock()
+	defer db.modeMtx.RUnlock()
+
+	if db.mode.NoMetabase() {
+		return false, ErrDegradedMode
+	}
+
+	counter := 0
+	const batchSize = 1000
+
+	err := db.boltDB.View(func(tx *bbolt.Tx) error {
+		b := tx.Bucket(containerCounterBucketName)
+		if b == nil {
+			return ErrInterruptIterator
+		}
+		c := b.Cursor()
+		var key, value []byte
+		for key, value = c.Seek(lastKey); key != nil; key, value = c.Next() {
+			if bytes.Equal(lastKey, key) {
+				continue
+			}
+			copy(lastKey, key)
+
+			cnrID, err := parseContainerCounterKey(key)
+			if err != nil {
+				return err
+			}
+			phy, logic, err := parseContainerCounterValue(value)
+			if err != nil {
+				return err
+			}
+			if phy > 0 {
+				cc.Physical[cnrID] = phy
+			}
+			if logic > 0 {
+				cc.Logical[cnrID] = logic
+			}
+
+			counter++
+			if counter == batchSize {
+				break
+			}
+		}
+
+		if counter < batchSize { // last batch
+			return ErrInterruptIterator
+		}
+		return nil
+	})
+	if err != nil {
+		if errors.Is(err, ErrInterruptIterator) {
+			return true, nil
+		}
+		return false, metaerr.Wrap(err)
+	}
+	return false, nil
+}
+
+func (db *DB) incCounters(tx *bbolt.Tx, cnrID cid.ID) error {
+	if err := db.updateShardObjectCounter(tx, phy, 1, true); err != nil {
+		return fmt.Errorf("could not increase phy object counter: %w", err)
+	}
+	if err := db.updateShardObjectCounter(tx, logical, 1, true); err != nil {
+		return fmt.Errorf("could not increase logical object counter: %w", err)
+	}
+	return db.incContainerObjectCounter(tx, cnrID)
+}
+
+func (db *DB) updateShardObjectCounter(tx *bbolt.Tx, typ objectType, delta uint64, inc bool) error {
 	b := tx.Bucket(shardInfoBucket)
 	if b == nil {
 		return nil
@@ -112,6 +236,63 @@ func (db *DB) updateCounter(tx *bbolt.Tx, typ objectType, delta uint64, inc bool
 	return b.Put(counterKey, newCounter)
 }
 
+func (db *DB) updateContainerCounter(tx *bbolt.Tx, delta map[cid.ID]ObjectCounters, inc bool) error {
+	b := tx.Bucket(containerCounterBucketName)
+	if b == nil {
+		return nil
+	}
+
+	key := make([]byte, cidSize)
+	for cnrID, cnrDelta := range delta {
+		cnrID.Encode(key)
+		if err := db.editContainerCounterValue(b, key, cnrDelta, inc); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (*DB) editContainerCounterValue(b *bbolt.Bucket, key []byte, delta ObjectCounters, inc bool) error {
+	var phyValue, logicValue uint64
+	var err error
+	data := b.Get(key)
+	if len(data) > 0 {
+		phyValue, logicValue, err = parseContainerCounterValue(data)
+		if err != nil {
+			return err
+		}
+	}
+	phyValue = nextValue(phyValue, delta.phy, inc)
+	logicValue = nextValue(logicValue, delta.logic, inc)
+	if phyValue > 0 || logicValue > 0 {
+		value := containerCounterValue(phyValue, logicValue)
+		return b.Put(key, value)
+	}
+	return b.Delete(key)
+}
+
+func nextValue(existed, delta uint64, inc bool) uint64 {
+	if inc {
+		existed += delta
+	} else if existed <= delta {
+		existed = 0
+	} else {
+		existed -= delta
+	}
+	return existed
+}
+
+func (db *DB) incContainerObjectCounter(tx *bbolt.Tx, cnrID cid.ID) error {
+	b := tx.Bucket(containerCounterBucketName)
+	if b == nil {
+		return nil
+	}
+
+	key := make([]byte, cidSize)
+	cnrID.Encode(key)
+	return db.editContainerCounterValue(b, key, ObjectCounters{logic: 1, phy: 1}, true)
+}
+
 // syncCounter updates object counters according to metabase state:
 // it counts all the physically/logically stored objects using internal
 // indexes. Tx MUST be writable.
@@ -119,26 +300,38 @@ func (db *DB) updateCounter(tx *bbolt.Tx, typ objectType, delta uint64, inc bool
 // Does nothing if counters are not empty and force is false. If force is
 // true, updates the counters anyway.
 func syncCounter(tx *bbolt.Tx, force bool) error {
-	b, err := tx.CreateBucketIfNotExists(shardInfoBucket)
+	shardInfoB, err := tx.CreateBucketIfNotExists(shardInfoBucket)
 	if err != nil {
 		return fmt.Errorf("could not get shard info bucket: %w", err)
 	}
-
+	shardObjectCounterInitialized := len(shardInfoB.Get(objectPhyCounterKey)) == 8 && len(shardInfoB.Get(objectLogicCounterKey)) == 8
-	if !force && len(b.Get(objectPhyCounterKey)) == 8 && len(b.Get(objectLogicCounterKey)) == 8 {
+	containerCounterInitialized := tx.Bucket(containerCounterBucketName) != nil
+	if !force && shardObjectCounterInitialized && containerCounterInitialized {
 		// the counters are already inited
 		return nil
 	}
 
+	containerCounterB, err := tx.CreateBucketIfNotExists(containerCounterBucketName)
+	if err != nil {
+		return fmt.Errorf("could not get container counter bucket: %w", err)
+	}
+
 	var addr oid.Address
-	var phyCounter uint64
+	counters := make(map[cid.ID]ObjectCounters)
-	var logicCounter uint64
 
 	graveyardBKT := tx.Bucket(graveyardBucketName)
 	garbageBKT := tx.Bucket(garbageBucketName)
 	key := make([]byte, addressKeySize)
 
 	err = iteratePhyObjects(tx, func(cnr cid.ID, obj oid.ID) error {
-		phyCounter++
+		if v, ok := counters[cnr]; ok {
+			v.phy++
+			counters[cnr] = v
+		} else {
+			counters[cnr] = ObjectCounters{
+				phy: 1,
+			}
+		}
 
 		addr.SetContainer(cnr)
 		addr.SetObject(obj)
@@ -146,7 +339,14 @@ func syncCounter(tx *bbolt.Tx, force bool) error {
 		// check if an object is available: not with GCMark
 		// and not covered with a tombstone
 		if inGraveyardWithKey(addressKey(addr, key), graveyardBKT, garbageBKT) == 0 {
-			logicCounter++
+			if v, ok := counters[cnr]; ok {
+				v.logic++
+				counters[cnr] = v
+			} else {
+				counters[cnr] = ObjectCounters{
+					logic: 1,
+				}
+			}
 		}
 
 		return nil
@@ -155,21 +355,65 @@ func syncCounter(tx *bbolt.Tx, force bool) error {
 		return fmt.Errorf("could not iterate objects: %w", err)
 	}
 
-	data := make([]byte, 8)
+	return setObjectCounters(counters, shardInfoB, containerCounterB)
-	binary.LittleEndian.PutUint64(data, phyCounter)
+}
 
-	err = b.Put(objectPhyCounterKey, data)
+func setObjectCounters(counters map[cid.ID]ObjectCounters, shardInfoB, containerCounterB *bbolt.Bucket) error {
+	var phyTotal uint64
+	var logicTotal uint64
+	key := make([]byte, cidSize)
+	for cnrID, count := range counters {
+		phyTotal += count.phy
+		logicTotal += count.logic
+
+		cnrID.Encode(key)
+		value := containerCounterValue(count.phy, count.logic)
+		err := containerCounterB.Put(key, value)
+		if err != nil {
+			return fmt.Errorf("could not update phy container object counter: %w", err)
+		}
+	}
+	phyData := make([]byte, 8)
+	binary.LittleEndian.PutUint64(phyData, phyTotal)
+
+	err := shardInfoB.Put(objectPhyCounterKey, phyData)
 	if err != nil {
 		return fmt.Errorf("could not update phy object counter: %w", err)
 	}
 
-	data = make([]byte, 8)
+	logData := make([]byte, 8)
-	binary.LittleEndian.PutUint64(data, logicCounter)
+	binary.LittleEndian.PutUint64(logData, logicTotal)
 
-	err = b.Put(objectLogicCounterKey, data)
+	err = shardInfoB.Put(objectLogicCounterKey, logData)
 	if err != nil {
 		return fmt.Errorf("could not update logic object counter: %w", err)
 	}
 
 	return nil
 }
+
+func containerCounterValue(phy, logic uint64) []byte {
+	res := make([]byte, 16)
+	binary.LittleEndian.PutUint64(res, phy)
+	binary.LittleEndian.PutUint64(res[8:], logic)
+	return res
+}
+
+func parseContainerCounterKey(buf []byte) (cid.ID, error) {
+	if len(buf) != cidSize {
+		return cid.ID{}, fmt.Errorf("invalid key length")
+	}
+	var cnrID cid.ID
+	if err := cnrID.Decode(buf); err != nil {
+		return cid.ID{}, fmt.Errorf("failed to decode container ID: %w", err)
+	}
+	return cnrID, nil
+}
+
+// parseContainerCounterValue return phy, logic values.
+func parseContainerCounterValue(buf []byte) (uint64, uint64, error) {
+	if len(buf) != 16 {
+		return 0, 0, fmt.Errorf("invalid value length")
+	}
+	return binary.LittleEndian.Uint64(buf), binary.LittleEndian.Uint64(buf[8:]), nil
+}

pkg/local_object_storage/metabase/counter_test.go

@@ -7,6 +7,7 @@ import (
 	objectcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	oidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id/test"
@@ -25,6 +26,11 @@ func TestCounters(t *testing.T) {
 		require.NoError(t, err)
 		require.Zero(t, c.Phy())
 		require.Zero(t, c.Logic())
+
+		cc, err := db.ContainerCounters(context.Background())
+		require.NoError(t, err)
+		require.Zero(t, len(cc.Physical))
+		require.Zero(t, len(cc.Logical))
 	})
 
 	t.Run("put", func(t *testing.T) {
@@ -36,9 +42,14 @@ func TestCounters(t *testing.T) {
 		}
 
 		var prm meta.PutPrm
+		expPhy := make(map[cid.ID]uint64)
+		expLog := make(map[cid.ID]uint64)
 
 		for i := 0; i < objCount; i++ {
 			prm.SetObject(oo[i])
+			cnrID, _ := oo[i].ContainerID()
+			expPhy[cnrID]++
+			expLog[cnrID]++
 
 			_, err := db.Put(context.Background(), prm)
 			require.NoError(t, err)
@@ -48,6 +59,12 @@ func TestCounters(t *testing.T) {
 
 			require.Equal(t, uint64(i+1), c.Phy())
 			require.Equal(t, uint64(i+1), c.Logic())
+
+			cc, err := db.ContainerCounters(context.Background())
+			require.NoError(t, err)
+
+			require.Equal(t, expPhy, cc.Physical)
+			require.Equal(t, expLog, cc.Logical)
 		}
 	})
 
@@ -56,6 +73,14 @@ func TestCounters(t *testing.T) {
 		db := newDB(t)
 		oo := putObjs(t, db, objCount, false)
 
+		expPhy := make(map[cid.ID]uint64)
+		expLog := make(map[cid.ID]uint64)
+		for _, obj := range oo {
+			cnrID, _ := obj.ContainerID()
+			expPhy[cnrID]++
+			expLog[cnrID]++
+		}
+
 		var prm meta.DeletePrm
 		for i := objCount - 1; i >= 0; i-- {
 			prm.SetAddresses(objectcore.AddressOf(oo[i]))
@@ -69,6 +94,27 @@ func TestCounters(t *testing.T) {
 
 			require.Equal(t, uint64(i), c.Phy())
 			require.Equal(t, uint64(i), c.Logic())
+
+			cnrID, _ := oo[i].ContainerID()
+			if v, ok := expPhy[cnrID]; ok {
+				if v == 1 {
+					delete(expPhy, cnrID)
+				} else {
+					expPhy[cnrID]--
+				}
+			}
+			if v, ok := expLog[cnrID]; ok {
+				if v == 1 {
+					delete(expLog, cnrID)
+				} else {
+					expLog[cnrID]--
+				}
+			}
+
+			cc, err := db.ContainerCounters(context.Background())
+			require.NoError(t, err)
+			require.Equal(t, expPhy, cc.Physical)
+			require.Equal(t, expLog, cc.Logical)
 		}
 	})
 
@@ -77,6 +123,14 @@ func TestCounters(t *testing.T) {
 		db := newDB(t)
 		oo := putObjs(t, db, objCount, false)
 
+		expPhy := make(map[cid.ID]uint64)
+		expLog := make(map[cid.ID]uint64)
+		for _, obj := range oo {
+			cnrID, _ := obj.ContainerID()
+			expPhy[cnrID]++
+			expLog[cnrID]++
+		}
+
 		inhumedObjs := make([]oid.Address, objCount/2)
 
 		for i, o := range oo {
@@ -87,6 +141,16 @@ func TestCounters(t *testing.T) {
 			inhumedObjs[i] = objectcore.AddressOf(o)
 		}
 
+		for _, addr := range inhumedObjs {
+			if v, ok := expLog[addr.Container()]; ok {
+				if v == 1 {
+					delete(expLog, addr.Container())
+				} else {
+					expLog[addr.Container()]--
+				}
+			}
+		}
+
 		var prm meta.InhumePrm
 		prm.SetTombstoneAddress(oidtest.Address())
 		prm.SetAddresses(inhumedObjs...)
@@ -100,6 +164,12 @@ func TestCounters(t *testing.T) {
 
 		require.Equal(t, uint64(objCount), c.Phy())
 		require.Equal(t, uint64(objCount-len(inhumedObjs)), c.Logic())
+
+		cc, err := db.ContainerCounters(context.Background())
+		require.NoError(t, err)
+
+		require.Equal(t, expPhy, cc.Physical)
+		require.Equal(t, expLog, cc.Logical)
 	})
 
 	t.Run("put_split", func(t *testing.T) {
@@ -107,6 +177,9 @@ func TestCounters(t *testing.T) {
 		db := newDB(t)
 		parObj := testutil.GenerateObject()
 
+		expPhy := make(map[cid.ID]uint64)
+		expLog := make(map[cid.ID]uint64)
+
 		// put objects and check that parent info
 		// does not affect the counter
 		for i := 0; i < objCount; i++ {
@@ -115,12 +188,21 @@ func TestCounters(t *testing.T) {
 				o.SetParent(parObj)
 			}
 
+			cnrID, _ := o.ContainerID()
+			expLog[cnrID]++
+			expPhy[cnrID]++
+
 			require.NoError(t, putBig(db, o))
 
 			c, err := db.ObjectCounters()
 			require.NoError(t, err)
 			require.Equal(t, uint64(i+1), c.Phy())
 			require.Equal(t, uint64(i+1), c.Logic())
+
+			cc, err := db.ContainerCounters(context.Background())
+			require.NoError(t, err)
+			require.Equal(t, expPhy, cc.Physical)
+			require.Equal(t, expLog, cc.Logical)
 		}
 	})
 
@@ -129,16 +211,40 @@ func TestCounters(t *testing.T) {
 		db := newDB(t)
 		oo := putObjs(t, db, objCount, true)
 
+		expPhy := make(map[cid.ID]uint64)
+		expLog := make(map[cid.ID]uint64)
+		for _, obj := range oo {
+			cnrID, _ := obj.ContainerID()
+			expPhy[cnrID]++
+			expLog[cnrID]++
+		}
+
 		// delete objects that have parent info
 		// and check that it does not affect
 		// the counter
 		for i, o := range oo {
-			require.NoError(t, metaDelete(db, objectcore.AddressOf(o)))
+			addr := objectcore.AddressOf(o)
+			require.NoError(t, metaDelete(db, addr))
 
 			c, err := db.ObjectCounters()
 			require.NoError(t, err)
 			require.Equal(t, uint64(objCount-i-1), c.Phy())
 			require.Equal(t, uint64(objCount-i-1), c.Logic())
+
+			if v, ok := expPhy[addr.Container()]; ok {
+				if v == 1 {
+					delete(expPhy, addr.Container())
+				} else {
+					expPhy[addr.Container()]--
+				}
+			}
+			if v, ok := expLog[addr.Container()]; ok {
+				if v == 1 {
+					delete(expLog, addr.Container())
+				} else {
+					expLog[addr.Container()]--
+				}
+			}
 		}
 	})
 
@@ -147,6 +253,14 @@ func TestCounters(t *testing.T) {
 		db := newDB(t)
 		oo := putObjs(t, db, objCount, true)
 
+		expPhy := make(map[cid.ID]uint64)
+		expLog := make(map[cid.ID]uint64)
+		for _, obj := range oo {
+			cnrID, _ := obj.ContainerID()
+			expPhy[cnrID]++
+			expLog[cnrID]++
+		}
+
 		inhumedObjs := make([]oid.Address, objCount/2)
 
 		for i, o := range oo {
@@ -157,6 +271,16 @@ func TestCounters(t *testing.T) {
 			inhumedObjs[i] = objectcore.AddressOf(o)
 		}
 
+		for _, addr := range inhumedObjs {
+			if v, ok := expLog[addr.Container()]; ok {
+				if v == 1 {
+					delete(expLog, addr.Container())
+				} else {
+					expLog[addr.Container()]--
+				}
+			}
+		}
+
 		var prm meta.InhumePrm
 		prm.SetTombstoneAddress(oidtest.Address())
 		prm.SetAddresses(inhumedObjs...)
@@ -169,6 +293,12 @@ func TestCounters(t *testing.T) {
 
 		require.Equal(t, uint64(objCount), c.Phy())
 		require.Equal(t, uint64(objCount-len(inhumedObjs)), c.Logic())
+
+		cc, err := db.ContainerCounters(context.Background())
+		require.NoError(t, err)
+
+		require.Equal(t, expPhy, cc.Physical)
+		require.Equal(t, expLog, cc.Logical)
 	})
 }
 
@@ -190,6 +320,13 @@ func TestCounters_Expired(t *testing.T) {
 		oo[i] = putWithExpiration(t, db, objectSDK.TypeRegular, epoch+1)
 	}
 
+	expPhy := make(map[cid.ID]uint64)
+	expLog := make(map[cid.ID]uint64)
+	for _, addr := range oo {
+		expPhy[addr.Container()]++
+		expLog[addr.Container()]++
+	}
+
 	// 1. objects are available and counters are correct
 
 	c, err := db.ObjectCounters()
@@ -197,6 +334,12 @@ func TestCounters_Expired(t *testing.T) {
 	require.Equal(t, uint64(objCount), c.Phy())
 	require.Equal(t, uint64(objCount), c.Logic())
 
+	cc, err := db.ContainerCounters(context.Background())
+	require.NoError(t, err)
+
+	require.Equal(t, expPhy, cc.Physical)
+	require.Equal(t, expLog, cc.Logical)
+
 	for _, o := range oo {
 		_, err := metaGet(db, o, true)
 		require.NoError(t, err)
@@ -212,6 +355,12 @@ func TestCounters_Expired(t *testing.T) {
 	require.Equal(t, uint64(objCount), c.Phy())
 	require.Equal(t, uint64(objCount), c.Logic())
 
+	cc, err = db.ContainerCounters(context.Background())
+	require.NoError(t, err)
+
+	require.Equal(t, expPhy, cc.Physical)
+	require.Equal(t, expLog, cc.Logical)
+
 	for _, o := range oo {
 		_, err := metaGet(db, o, true)
 		require.ErrorIs(t, err, meta.ErrObjectIsExpired)
@@ -235,6 +384,20 @@ func TestCounters_Expired(t *testing.T) {
 	require.Equal(t, uint64(len(oo)), c.Phy())
 	require.Equal(t, uint64(len(oo)-1), c.Logic())
 
+	if v, ok := expLog[oo[0].Container()]; ok {
+		if v == 1 {
+			delete(expLog, oo[0].Container())
+		} else {
+			expLog[oo[0].Container()]--
+		}
+	}
+
+	cc, err = db.ContainerCounters(context.Background())
+	require.NoError(t, err)
+
+	require.Equal(t, expPhy, cc.Physical)
+	require.Equal(t, expLog, cc.Logical)
+
 	// 4. `Delete` an object with GCMark should decrease the
 	// phy counter but does not affect the logic counter (after
 	// that step they should be equal)
@@ -246,6 +409,14 @@ func TestCounters_Expired(t *testing.T) {
 	require.NoError(t, err)
 	require.Zero(t, deleteRes.AvailableObjectsRemoved())
 
+	if v, ok := expPhy[oo[0].Container()]; ok {
+		if v == 1 {
+			delete(expPhy, oo[0].Container())
+		} else {
+			expPhy[oo[0].Container()]--
+		}
+	}
+
 	oo = oo[1:]
 
 	c, err = db.ObjectCounters()
@@ -253,6 +424,12 @@ func TestCounters_Expired(t *testing.T) {
 	require.Equal(t, uint64(len(oo)), c.Phy())
 	require.Equal(t, uint64(len(oo)), c.Logic())
 
+	cc, err = db.ContainerCounters(context.Background())
+	require.NoError(t, err)
+
+	require.Equal(t, expPhy, cc.Physical)
+	require.Equal(t, expLog, cc.Logical)
+
 	// 5 `Delete` an expired object (like it would the control
 	// service do) should decrease both counters despite the
 	// expiration fact
@@ -263,12 +440,34 @@ func TestCounters_Expired(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, uint64(1), deleteRes.AvailableObjectsRemoved())
 
+	if v, ok := expLog[oo[0].Container()]; ok {
+		if v == 1 {
+			delete(expLog, oo[0].Container())
+		} else {
+			expLog[oo[0].Container()]--
+		}
+	}
+
+	if v, ok := expPhy[oo[0].Container()]; ok {
+		if v == 1 {
+			delete(expPhy, oo[0].Container())
+		} else {
+			expPhy[oo[0].Container()]--
+		}
+	}
+
 	oo = oo[1:]
 
 	c, err = db.ObjectCounters()
 	require.NoError(t, err)
 	require.Equal(t, uint64(len(oo)), c.Phy())
 	require.Equal(t, uint64(len(oo)), c.Logic())
+
+	cc, err = db.ContainerCounters(context.Background())
+	require.NoError(t, err)
+
+	require.Equal(t, expPhy, cc.Physical)
+	require.Equal(t, expLog, cc.Logical)
 }
 
 func putObjs(t *testing.T, db *meta.DB, count int, withParent bool) []*objectSDK.Object {

pkg/local_object_storage/metabase/delete.go

@@ -12,6 +12,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/metaerr"
 	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"go.etcd.io/bbolt"
@@ -30,6 +31,7 @@ type DeleteRes struct {
 	availableRemoved uint64
 	sizes            []uint64
 	availableSizes   []uint64
+	removedByCnrID   map[cid.ID]ObjectCounters
 }
 
 // AvailableObjectsRemoved returns the number of removed available
@@ -38,6 +40,11 @@ func (d DeleteRes) AvailableObjectsRemoved() uint64 {
 	return d.availableRemoved
 }
 
+// RemovedByCnrID returns the number of removed objects by container ID.
+func (d DeleteRes) RemovedByCnrID() map[cid.ID]ObjectCounters {
+	return d.removedByCnrID
+}
+
 // RawObjectsRemoved returns the number of removed raw objects.
 func (d DeleteRes) RawObjectsRemoved() uint64 {
 	return d.rawRemoved
@@ -95,15 +102,11 @@ func (db *DB) Delete(ctx context.Context, prm DeletePrm) (DeleteRes, error) {
 		return DeleteRes{}, ErrReadOnlyMode
 	}
 
-	var rawRemoved uint64
-	var availableRemoved uint64
 	var err error
-	sizes := make([]uint64, len(prm.addrs))
+	var res DeleteRes
-	availableSizes := make([]uint64, len(prm.addrs))
 
 	err = db.boltDB.Update(func(tx *bbolt.Tx) error {
-		// We need to clear slice because tx can try to execute multiple times.
+		res, err = db.deleteGroup(tx, prm.addrs)
-		rawRemoved, availableRemoved, err = db.deleteGroup(tx, prm.addrs, sizes, availableSizes)
 		return err
 	})
 	if err == nil {
@@ -114,68 +117,83 @@ func (db *DB) Delete(ctx context.Context, prm DeletePrm) (DeleteRes, error) {
 				storagelog.OpField("metabase DELETE"))
 		}
 	}
-	return DeleteRes{
+	return res, metaerr.Wrap(err)
-		rawRemoved:       rawRemoved,
-		availableRemoved: availableRemoved,
-		sizes:            sizes,
-		availableSizes:   availableSizes,
-	}, metaerr.Wrap(err)
 }
 
 // deleteGroup deletes object from the metabase. Handles removal of the
 // references of the split objects.
-// The first return value is a physical objects removed number: physical
+func (db *DB) deleteGroup(tx *bbolt.Tx, addrs []oid.Address) (DeleteRes, error) {
-// objects that were stored. The second return value is a logical objects
+	res := DeleteRes{
-// removed number: objects that were available (without Tombstones, GCMarks
+		sizes:          make([]uint64, len(addrs)),
-// non-expired, etc.)
+		availableSizes: make([]uint64, len(addrs)),
-func (db *DB) deleteGroup(tx *bbolt.Tx, addrs []oid.Address, sizes []uint64, availableSizes []uint64) (uint64, uint64, error) {
+		removedByCnrID: make(map[cid.ID]ObjectCounters),
+	}
 	refCounter := make(referenceCounter, len(addrs))
 	currEpoch := db.epochState.CurrentEpoch()
 
-	var rawDeleted uint64
-	var availableDeleted uint64
-
 	for i := range addrs {
 		removed, available, size, err := db.delete(tx, addrs[i], refCounter, currEpoch)
 		if err != nil {
-			return 0, 0, err // maybe log and continue?
+			return DeleteRes{}, err // maybe log and continue?
 		}
 
 		if removed {
-			rawDeleted++
+			if v, ok := res.removedByCnrID[addrs[i].Container()]; ok {
-			sizes[i] = size
+				v.phy++
+				res.removedByCnrID[addrs[i].Container()] = v
+			} else {
+				res.removedByCnrID[addrs[i].Container()] = ObjectCounters{
+					phy: 1,
+				}
+			}
+
+			res.rawRemoved++
+			res.sizes[i] = size
 		}
 
 		if available {
-			availableDeleted++
+			if v, ok := res.removedByCnrID[addrs[i].Container()]; ok {
-			availableSizes[i] = size
+				v.logic++
+				res.removedByCnrID[addrs[i].Container()] = v
+			} else {
+				res.removedByCnrID[addrs[i].Container()] = ObjectCounters{
+					logic: 1,
+				}
+			}
+
+			res.availableRemoved++
+			res.availableSizes[i] = size
 		}
 	}
 
-	if rawDeleted > 0 {
+	if res.rawRemoved > 0 {
-		err := db.updateCounter(tx, phy, rawDeleted, false)
+		err := db.updateShardObjectCounter(tx, phy, res.rawRemoved, false)
 		if err != nil {
-			return 0, 0, fmt.Errorf("could not decrease phy object counter: %w", err)
+			return DeleteRes{}, fmt.Errorf("could not decrease phy object counter: %w", err)
 		}
 	}
 
-	if availableDeleted > 0 {
+	if res.availableRemoved > 0 {
-		err := db.updateCounter(tx, logical, availableDeleted, false)
+		err := db.updateShardObjectCounter(tx, logical, res.availableRemoved, false)
 		if err != nil {
-			return 0, 0, fmt.Errorf("could not decrease logical object counter: %w", err)
+			return DeleteRes{}, fmt.Errorf("could not decrease logical object counter: %w", err)
 		}
 	}
 
+	if err := db.updateContainerCounter(tx, res.removedByCnrID, false); err != nil {
+		return DeleteRes{}, fmt.Errorf("could not decrease container object counter: %w", err)
+	}
+
 	for _, refNum := range refCounter {
 		if refNum.cur == refNum.all {
 			err := db.deleteObject(tx, refNum.obj, true)
 			if err != nil {
-				return rawDeleted, availableDeleted, err // maybe log and continue?
+				return DeleteRes{}, err // maybe log and continue?
 			}
 		}
 	}
 
-	return rawDeleted, availableDeleted, nil
+	return res, nil
 }
 
 // delete removes object indexes from the metabase. Counts the references

pkg/local_object_storage/metabase/inhume.go

@@ -37,14 +37,21 @@ type DeletionInfo struct {
 // InhumeRes encapsulates results of Inhume operation.
 type InhumeRes struct {
 	deletedLockObj   []oid.Address
-	availableImhumed uint64
+	availableInhumed uint64
+	inhumedByCnrID   map[cid.ID]ObjectCounters
 	deletionDetails  []DeletionInfo
 }
 
 // AvailableInhumed return number of available object
 // that have been inhumed.
 func (i InhumeRes) AvailableInhumed() uint64 {
-	return i.availableImhumed
+	return i.availableInhumed
+}
+
+// InhumedByCnrID return number of object
+// that have been inhumed by container ID.
+func (i InhumeRes) InhumedByCnrID() map[cid.ID]ObjectCounters {
+	return i.inhumedByCnrID
 }
 
 // DeletedLockObjects returns deleted object of LOCK
@@ -73,6 +80,15 @@ func (i *InhumeRes) storeDeletionInfo(containerID cid.ID, deletedSize uint64) {
 		Size: deletedSize,
 		CID:  containerID,
 	})
+	i.availableInhumed++
+	if v, ok := i.inhumedByCnrID[containerID]; ok {
+		v.logic++
+		i.inhumedByCnrID[containerID] = v
+	} else {
+		i.inhumedByCnrID[containerID] = ObjectCounters{
+			logic: 1,
+		}
+	}
 }
 
 // SetAddresses sets a list of object addresses that should be inhumed.
@@ -122,7 +138,7 @@ var ErrLockObjectRemoval = logicerr.New("lock object removal")
 //
 // NOTE: Marks any object with GC mark (despite any prohibitions on operations
 // with that object) if WithForceGCMark option has been provided.
-func (db *DB) Inhume(ctx context.Context, prm InhumePrm) (res InhumeRes, err error) {
+func (db *DB) Inhume(ctx context.Context, prm InhumePrm) (InhumeRes, error) {
 	var (
 		startedAt = time.Now()
 		success   = false
@@ -142,8 +158,11 @@ func (db *DB) Inhume(ctx context.Context, prm InhumePrm) (res InhumeRes, err err
 		return InhumeRes{}, ErrReadOnlyMode
 	}
 
+	res := InhumeRes{
+		inhumedByCnrID: make(map[cid.ID]ObjectCounters),
+	}
 	currEpoch := db.epochState.CurrentEpoch()
-	err = db.boltDB.Update(func(tx *bbolt.Tx) error {
+	err := db.boltDB.Update(func(tx *bbolt.Tx) error {
 		return db.inhumeTx(tx, currEpoch, prm, &res)
 	})
 	success = err == nil
@@ -224,7 +243,27 @@ func (db *DB) inhumeTx(tx *bbolt.Tx, epoch uint64, prm InhumePrm, res *InhumeRes
 		}
 	}
 
-	return db.updateCounter(tx, logical, res.availableImhumed, false)
+	return db.applyInhumeResToCounters(tx, res)
+}
+
+func (db *DB) applyInhumeResToCounters(tx *bbolt.Tx, res *InhumeRes) error {
+	var inhumedCount uint64
+	inhumedbyCnr := make(map[cid.ID]ObjectCounters)
+	for _, dd := range res.deletionDetails {
+		if v, ok := inhumedbyCnr[dd.CID]; ok {
+			v.logic++
+			inhumedbyCnr[dd.CID] = v
+		} else {
+			inhumedbyCnr[dd.CID] = ObjectCounters{logic: 1}
+		}
+		inhumedCount++
+	}
+
+	if err := db.updateShardObjectCounter(tx, logical, inhumedCount, false); err != nil {
+		return err
+	}
+
+	return db.updateContainerCounter(tx, inhumedbyCnr, false)
 }
 
 // getInhumeTargetBucketAndValue return target bucket to store inhume result and value that will be put in the bucket.
@@ -279,7 +318,6 @@ func (db *DB) markAsGC(graveyardBKT, garbageBKT *bbolt.Bucket, key []byte) (bool
 func (db *DB) updateDeleteInfo(tx *bbolt.Tx, garbageBKT, graveyardBKT *bbolt.Bucket, targetKey []byte, cnr cid.ID, obj *objectSDK.Object, res *InhumeRes) error {
 	containerID, _ := obj.ContainerID()
 	if inGraveyardWithKey(targetKey, graveyardBKT, garbageBKT) == 0 {
-		res.availableImhumed++
 		res.storeDeletionInfo(containerID, obj.PayloadSize())
 	}
 

pkg/local_object_storage/metabase/put.go

@@ -183,16 +183,8 @@ func (db *DB) insertObject(tx *bbolt.Tx, obj *objectSDK.Object, id []byte, si *o
 	}
 
 	if !isParent {
-		err = db.updateCounter(tx, phy, 1, true)
+		if err = db.incCounters(tx, cnr); err != nil {
-		if err != nil {
+			return err
-			return fmt.Errorf("could not increase phy object counter: %w", err)
-		}
-
-		// it is expected that putting an unavailable object is
-		// impossible and should be handled on the higher levels
-		err = db.updateCounter(tx, logical, 1, true)
-		if err != nil {
-			return fmt.Errorf("could not increase logical object counter: %w", err)
 		}
 	}
 

pkg/local_object_storage/metabase/util.go

@@ -19,9 +19,10 @@ var (
 	graveyardBucketName = []byte{graveyardPrefix}
 	// garbageBucketName stores rows with the objects that should be physically
 	// deleted by the node (Garbage Collector routine).
-	garbageBucketName         = []byte{garbagePrefix}
+	garbageBucketName          = []byte{garbagePrefix}
-	toMoveItBucketName        = []byte{toMoveItPrefix}
+	toMoveItBucketName         = []byte{toMoveItPrefix}
-	containerVolumeBucketName = []byte{containerVolumePrefix}
+	containerVolumeBucketName  = []byte{containerVolumePrefix}
+	containerCounterBucketName = []byte{containerCountersPrefix}
 
 	zeroValue = []byte{0xFF}
 )
@@ -111,6 +112,11 @@ const (
 	//  Key: split ID
 	//  Value: list of object IDs
 	splitPrefix
+
+	// containerCountersPrefix is used for storing container object counters.
+	//	Key: container ID + type
+	//  Value: container size in bytes as little-endian uint64
+	containerCountersPrefix
 )
 
 const (

pkg/local_object_storage/shard/delete.go

@@ -118,6 +118,7 @@ func (s *Shard) deleteFromMetabase(ctx context.Context, addr oid.Address) error
 	}
 	s.decObjectCounterBy(physical, res.RawObjectsRemoved())
 	s.decObjectCounterBy(logical, res.AvailableObjectsRemoved())
+	s.decContainerObjectCounter(res.RemovedByCnrID())
 	removedPayload := res.RemovedPhysicalObjectSizes()[0]
 	logicalRemovedPayload := res.RemovedLogicalObjectSizes()[0]
 	if logicalRemovedPayload > 0 {

pkg/local_object_storage/shard/gc.go

@@ -416,6 +416,7 @@ func (s *Shard) handleExpiredObjects(ctx context.Context, expired []oid.Address)
 
 	s.gc.metrics.AddInhumedObjectCount(res.AvailableInhumed(), objectTypeRegular)
 	s.decObjectCounterBy(logical, res.AvailableInhumed())
+	s.decContainerObjectCounter(res.InhumedByCnrID())
 
 	i := 0
 	for i < res.GetDeletionInfoLength() {
@@ -629,6 +630,7 @@ func (s *Shard) HandleExpiredTombstones(ctx context.Context, tss []meta.Tombston
 
 	s.gc.metrics.AddInhumedObjectCount(res.AvailableInhumed(), objectTypeTombstone)
 	s.decObjectCounterBy(logical, res.AvailableInhumed())
+	s.decContainerObjectCounter(res.InhumedByCnrID())
 
 	i := 0
 	for i < res.GetDeletionInfoLength() {
@@ -675,6 +677,7 @@ func (s *Shard) HandleExpiredLocks(ctx context.Context, epoch uint64, lockers []
 
 	s.gc.metrics.AddInhumedObjectCount(res.AvailableInhumed(), objectTypeLock)
 	s.decObjectCounterBy(logical, res.AvailableInhumed())
+	s.decContainerObjectCounter(res.InhumedByCnrID())
 
 	i := 0
 	for i < res.GetDeletionInfoLength() {

pkg/local_object_storage/shard/inhume.go

@@ -122,6 +122,7 @@ func (s *Shard) Inhume(ctx context.Context, prm InhumePrm) (InhumeRes, error) {
 	s.m.RUnlock()
 
 	s.decObjectCounterBy(logical, res.AvailableInhumed())
+	s.decContainerObjectCounter(res.InhumedByCnrID())
 
 	i := 0
 	for i < res.GetDeletionInfoLength() {

pkg/local_object_storage/shard/metrics_test.go

@@ -14,6 +14,7 @@ import (
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"github.com/stretchr/testify/require"
@@ -23,6 +24,7 @@ type metricsStore struct {
 	mtx         sync.Mutex
 	objCounters map[string]uint64
 	cnrSize     map[string]int64
+	cnrCount    map[string]uint64
 	pldSize     int64
 	mode        mode.Mode
 	errCounter  int64
@@ -126,6 +128,39 @@ func (m *metricsStore) DeleteShardMetrics() {
 	m.errCounter = 0
 }
 
+func (m *metricsStore) SetContainerObjectsCount(cnrID string, objectType string, value uint64) {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+	m.cnrCount[cnrID+objectType] = value
+}
+
+func (m *metricsStore) IncContainerObjectsCount(cnrID string, objectType string) {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+	m.cnrCount[cnrID+objectType]++
+}
+
+func (m *metricsStore) SubContainerObjectsCount(cnrID string, objectType string, value uint64) {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+	existed := m.cnrCount[cnrID+objectType]
+	if existed < value {
+		panic("existed value smaller than value to sustract")
+	}
+	if existed == value {
+		delete(m.cnrCount, cnrID+objectType)
+	} else {
+		m.cnrCount[cnrID+objectType] -= value
+	}
+}
+
+func (m *metricsStore) getContainerCount(cnrID, objectType string) (uint64, bool) {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+	v, ok := m.cnrCount[cnrID+objectType]
+	return v, ok
+}
+
 func TestCounters(t *testing.T) {
 	t.Parallel()
 
@@ -143,21 +178,37 @@ func TestCounters(t *testing.T) {
 		oo[i] = testutil.GenerateObject()
 	}
 
+	cc := meta.ContainerCounters{Logical: make(map[cid.ID]uint64), Physical: make(map[cid.ID]uint64)}
+
 	t.Run("defaults", func(t *testing.T) {
 		require.Zero(t, mm.getObjectCounter(physical))
 		require.Zero(t, mm.getObjectCounter(logical))
 		require.Empty(t, mm.containerSizes())
 		require.Zero(t, mm.payloadSize())
+
+		for _, obj := range oo {
+			contID, _ := obj.ContainerID()
+			v, ok := mm.getContainerCount(contID.EncodeToString(), physical)
+			require.Zero(t, v)
+			require.False(t, ok)
+			v, ok = mm.getContainerCount(contID.EncodeToString(), logical)
+			require.Zero(t, v)
+			require.False(t, ok)
+		}
 	})
 
 	var totalPayload int64
 
 	expectedLogicalSizes := make(map[string]int64)
+	expectedLogCC := make(map[cid.ID]uint64)
+	expectedPhyCC := make(map[cid.ID]uint64)
 	for i := range oo {
 		cnr, _ := oo[i].ContainerID()
 		oSize := int64(oo[i].PayloadSize())
 		expectedLogicalSizes[cnr.EncodeToString()] += oSize
 		totalPayload += oSize
+		expectedLogCC[cnr]++
+		expectedPhyCC[cnr]++
 	}
 
 	var prm PutPrm
@@ -174,6 +225,11 @@ func TestCounters(t *testing.T) {
 	require.Equal(t, expectedLogicalSizes, mm.containerSizes())
 	require.Equal(t, totalPayload, mm.payloadSize())
 
+	cc, err := sh.metaBase.ContainerCounters(context.Background())
+	require.NoError(t, err)
+	require.Equal(t, expectedLogCC, cc.Logical)
+	require.Equal(t, expectedPhyCC, cc.Physical)
+
 	t.Run("inhume_GC", func(t *testing.T) {
 		var prm InhumePrm
 		inhumedNumber := objNumber / 4
@@ -187,6 +243,11 @@ func TestCounters(t *testing.T) {
 			cid, ok := oo[i].ContainerID()
 			require.True(t, ok)
 			expectedLogicalSizes[cid.EncodeToString()] -= int64(oo[i].PayloadSize())
+
+			expectedLogCC[cid]--
+			if expectedLogCC[cid] == 0 {
+				delete(expectedLogCC, cid)
+			}
 		}
 
 		require.Equal(t, uint64(objNumber), mm.getObjectCounter(physical))
@@ -194,6 +255,11 @@ func TestCounters(t *testing.T) {
 		require.Equal(t, expectedLogicalSizes, mm.containerSizes())
 		require.Equal(t, totalPayload, mm.payloadSize())
 
+		cc, err := sh.metaBase.ContainerCounters(context.Background())
+		require.NoError(t, err)
+		require.Equal(t, expectedLogCC, cc.Logical)
+		require.Equal(t, expectedPhyCC, cc.Physical)
+
 		oo = oo[inhumedNumber:]
 	})
 
@@ -214,6 +280,11 @@ func TestCounters(t *testing.T) {
 			cid, ok := oo[i].ContainerID()
 			require.True(t, ok)
 			expectedLogicalSizes[cid.EncodeToString()] -= int64(oo[i].PayloadSize())
+
+			expectedLogCC[cid]--
+			if expectedLogCC[cid] == 0 {
+				delete(expectedLogCC, cid)
+			}
 		}
 
 		require.Equal(t, phy, mm.getObjectCounter(physical))
@@ -221,6 +292,11 @@ func TestCounters(t *testing.T) {
 		require.Equal(t, expectedLogicalSizes, mm.containerSizes())
 		require.Equal(t, totalPayload, mm.payloadSize())
 
+		cc, err = sh.metaBase.ContainerCounters(context.Background())
+		require.NoError(t, err)
+		require.Equal(t, expectedLogCC, cc.Logical)
+		require.Equal(t, expectedPhyCC, cc.Physical)
+
 		oo = oo[inhumedNumber:]
 	})
 
@@ -245,9 +321,24 @@ func TestCounters(t *testing.T) {
 
 			cnr, _ := oo[i].ContainerID()
 			expectedLogicalSizes[cnr.EncodeToString()] -= int64(removedPayload)
+
+			expectedLogCC[cnr]--
+			if expectedLogCC[cnr] == 0 {
+				delete(expectedLogCC, cnr)
+			}
+
+			expectedPhyCC[cnr]--
+			if expectedPhyCC[cnr] == 0 {
+				delete(expectedPhyCC, cnr)
+			}
 		}
 		require.Equal(t, expectedLogicalSizes, mm.containerSizes())
 		require.Equal(t, totalPayload-int64(totalRemovedpayload), mm.payloadSize())
+
+		cc, err = sh.metaBase.ContainerCounters(context.Background())
+		require.NoError(t, err)
+		require.Equal(t, expectedLogCC, cc.Logical)
+		require.Equal(t, expectedPhyCC, cc.Physical)
 	})
 }
 
@@ -268,7 +359,8 @@ func shardWithMetrics(t *testing.T, path string) (*Shard, *metricsStore) {
 			"phy":   0,
 			"logic": 0,
 		},
-		cnrSize: make(map[string]int64),
+		cnrSize:  make(map[string]int64),
+		cnrCount: make(map[string]uint64),
 	}
 
 	sh := New(

pkg/local_object_storage/shard/put.go

@@ -90,7 +90,7 @@ func (s *Shard) Put(ctx context.Context, prm PutPrm) (PutRes, error) {
 			return PutRes{}, fmt.Errorf("could not put object to metabase: %w", err)
 		}
 
-		s.incObjectCounter()
+		s.incObjectCounter(putPrm.Address.Container())
 		s.addToPayloadSize(int64(prm.obj.PayloadSize()))
 		s.addToContainerSize(putPrm.Address.Container().EncodeToString(), int64(prm.obj.PayloadSize()))
 	}

pkg/local_object_storage/shard/shard.go

@@ -18,6 +18,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache/writecachebbolt"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"go.uber.org/zap"
 )
@@ -85,6 +86,12 @@ type MetricsWriter interface {
 	ClearErrorCounter()
 	// DeleteShardMetrics deletes shard metrics from registry.
 	DeleteShardMetrics()
+	// SetContainerObjectsCount sets container object count.
+	SetContainerObjectsCount(cnrID string, objectType string, value uint64)
+	// IncContainerObjectsCount increments container object count.
+	IncContainerObjectsCount(cnrID string, objectType string)
+	// SubContainerObjectsCount subtracts container object count.
+	SubContainerObjectsCount(cnrID string, objectType string, value uint64)
 }
 
 type cfg struct {
@@ -425,15 +432,29 @@ func (s *Shard) updateMetrics(ctx context.Context) {
 		}
 
 		s.metricsWriter.AddToPayloadSize(int64(totalPayload))
+
+		contCount, err := s.metaBase.ContainerCounters(ctx)
+		if err != nil {
+			s.log.Warn(logs.FailedToGetContainerCounters, zap.Error(err))
+			return
+		}
+		for contID, count := range contCount.Physical {
+			s.metricsWriter.SetContainerObjectsCount(contID.EncodeToString(), physical, count)
+		}
+		for contID, count := range contCount.Logical {
+			s.metricsWriter.SetContainerObjectsCount(contID.EncodeToString(), logical, count)
+		}
 	}
 }
 
 // incObjectCounter increment both physical and logical object
 // counters.
-func (s *Shard) incObjectCounter() {
+func (s *Shard) incObjectCounter(cnrID cid.ID) {
 	if s.cfg.metricsWriter != nil {
 		s.cfg.metricsWriter.IncObjectCounter(physical)
 		s.cfg.metricsWriter.IncObjectCounter(logical)
+		s.cfg.metricsWriter.IncContainerObjectsCount(cnrID.EncodeToString(), physical)
+		s.cfg.metricsWriter.IncContainerObjectsCount(cnrID.EncodeToString(), logical)
 	}
 }
 
@@ -443,6 +464,17 @@ func (s *Shard) decObjectCounterBy(typ string, v uint64) {
 	}
 }
 
+func (s *Shard) decContainerObjectCounter(byCnr map[cid.ID]meta.ObjectCounters) {
+	if s.cfg.metricsWriter == nil {
+		return
+	}
+
+	for cnrID, count := range byCnr {
+		s.cfg.metricsWriter.SubContainerObjectsCount(cnrID.EncodeToString(), physical, count.Phy())
+		s.cfg.metricsWriter.SubContainerObjectsCount(cnrID.EncodeToString(), logical, count.Logic())
+	}
+}
+
 func (s *Shard) addToContainerSize(cnr string, size int64) {
 	if s.cfg.metricsWriter != nil {
 		s.cfg.metricsWriter.AddToContainerSize(cnr, size)

pkg/metrics/engine.go

@@ -18,6 +18,9 @@ type EngineMetrics interface {
 	SetObjectCounter(shardID, objectType string, v uint64)
 	AddToPayloadCounter(shardID string, size int64)
 	SetMode(shardID string, mode mode.Mode)
+	SetContainerObjectCounter(shardID, contID, objectType string, v uint64)
+	IncContainerObjectCounter(shardID, contID, objectType string)
+	SubContainerObjectCounter(shardID, contID, objectType string, v uint64)
 
 	WriteCache() WriteCacheMetrics
 	GC() GCMetrics
@@ -30,6 +33,7 @@ type engineMetrics struct {
 	payloadSize    *prometheus.GaugeVec
 	errorCounter   *prometheus.GaugeVec
 	mode           *shardIDModeValue
+	contObjCounter *prometheus.GaugeVec
 
 	gc         *gcMetrics
 	writeCache *writeCacheMetrics
@@ -46,10 +50,13 @@ func newEngineMetrics() *engineMetrics {
 			Name:      "request_duration_seconds",
 			Help:      "Duration of Engine requests",
 		}, []string{methodLabel}),
-		objectCounter: newEngineGaugeVector("objects_total", "Objects counters per shards", []string{shardIDLabel, typeLabel}),
+		objectCounter: newEngineGaugeVector("objects_total",
-		gc:            newGCMetrics(),
+			"Objects counters per shards. DEPRECATED: Will be deleted in next releasese, use frostfs_node_engine_container_objects_total metric.",
-		writeCache:    newWriteCacheMetrics(),
+			[]string{shardIDLabel, typeLabel}),
-		mode:          newShardIDMode(engineSubsystem, "mode_info", "Shard mode"),
+		gc:             newGCMetrics(),
+		writeCache:     newWriteCacheMetrics(),
+		mode:           newShardIDMode(engineSubsystem, "mode_info", "Shard mode"),
+		contObjCounter: newEngineGaugeVector("container_objects_total", "Count of objects for each container", []string{shardIDLabel, containerIDLabelKey, typeLabel}),
 	}
 }
 
@@ -88,6 +95,7 @@ func (m *engineMetrics) DeleteShardMetrics(shardID string) {
 	m.errorCounter.Delete(prometheus.Labels{shardIDLabel: shardID})
 	m.payloadSize.Delete(prometheus.Labels{shardIDLabel: shardID})
 	m.objectCounter.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID})
+	m.contObjCounter.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID})
 	m.mode.Delete(shardID)
 }
 
@@ -109,6 +117,36 @@ func (m *engineMetrics) SetObjectCounter(shardID, objectType string, v uint64) {
 	).Set(float64(v))
 }
 
+func (m *engineMetrics) SetContainerObjectCounter(shardID, contID, objectType string, v uint64) {
+	m.contObjCounter.With(
+		prometheus.Labels{
+			shardIDLabel:        shardID,
+			containerIDLabelKey: contID,
+			typeLabel:           objectType,
+		},
+	).Set(float64(v))
+}
+
+func (m *engineMetrics) IncContainerObjectCounter(shardID, contID, objectType string) {
+	m.contObjCounter.With(
+		prometheus.Labels{
+			shardIDLabel:        shardID,
+			containerIDLabelKey: contID,
+			typeLabel:           objectType,
+		},
+	).Inc()
+}
+
+func (m *engineMetrics) SubContainerObjectCounter(shardID, contID, objectType string, v uint64) {
+	m.contObjCounter.With(
+		prometheus.Labels{
+			shardIDLabel:        shardID,
+			containerIDLabelKey: contID,
+			typeLabel:           objectType,
+		},
+	).Sub(float64(v))
+}
+
 func (m *engineMetrics) SetMode(shardID string, mode mode.Mode) {
 	m.mode.SetMode(shardID, mode.String())
 }