[#1450] engine: Add benchmark Inhume when there's many addresses

Signed-off-by: Aleksey Savchuk <a.savchuk@yadro.com>

pkg/local_object_storage/engine/inhume_test.go

@@ -2,6 +2,7 @@ package engine
 
 import (
 	"context"
+	"fmt"
 	"testing"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
@@ -9,7 +10,11 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
 	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"
+	objecttest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/test"
 	"github.com/stretchr/testify/require"
+	"golang.org/x/sync/errgroup"
 )
 
 func TestStorageEngine_Inhume(t *testing.T) {
@@ -83,3 +88,50 @@ func TestStorageEngine_Inhume(t *testing.T) {
 		require.Empty(t, addrs)
 	})
 }
+
+func BenchmarkInhumeMultipart(b *testing.B) {
+	for objects := 1; objects <= 10000; objects *= 10 {
+		b.Run(fmt.Sprintf("%d_parts", objects), func(b *testing.B) {
+			benchmarkInhumeMultipart(b, 100, objects)
+		})
+	}
+}
+
+func benchmarkInhumeMultipart(b *testing.B, S, N int) {
+	b.StopTimer()
+
+	for range b.N {
+		engine := testNewEngine(b, WithShardPoolSize(uint32(N))).setShardsNum(b, S).engine
+
+		cnr := cidtest.ID()
+		var addrs []oid.Address
+
+		eg := errgroup.Group{}
+		for range N {
+			prm := PutPrm{}
+
+			prm.Object = objecttest.Object().Parent()
+			prm.Object.SetContainerID(cnr)
+			prm.Object.SetType(objectSDK.TypeRegular)
+			addrs = append(addrs, object.AddressOf(prm.Object))
+
+			eg.Go(func() error {
+				return engine.Put(context.Background(), prm)
+			})
+		}
+		require.NoError(b, eg.Wait())
+
+		ts := oidtest.Address()
+		ts.SetContainer(cnr)
+
+		prm := InhumePrm{}
+		prm.WithTarget(ts, addrs...)
+
+		b.StartTimer()
+		_, err := engine.Inhume(context.Background(), prm)
+		require.NoError(b, err)
+		b.StopTimer()
+
+		require.NoError(b, engine.Close(context.Background()))
+	}
+}