[#1262] metabase: Add benchmarks for Put

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

pkg/local_object_storage/metabase/put_test.go

@@ -1,14 +1,81 @@
 package meta_test
 
 import (
+	"runtime"
+	"strconv"
 	"testing"
+	"time"
 
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
+	"github.com/nspcc-dev/neofs-node/pkg/util/rand"
+	cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
+	objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
+	objecttest "github.com/nspcc-dev/neofs-sdk-go/object/id/test"
 	"github.com/stretchr/testify/require"
+	"go.uber.org/atomic"
 )
 
+func prepareObjects(t testing.TB, n int) []*objectSDK.Object {
+	cid := cidtest.ID()
+	parentID := objecttest.ID()
+	objs := make([]*objectSDK.Object, n)
+	for i := range objs {
+		objs[i] = generateObjectWithCID(t, cid)
+
+		// FKBT indices.
+		attrs := make([]objectSDK.Attribute, 20)
+		for j := range attrs {
+			attrs[j].SetKey("abc" + strconv.FormatUint(rand.Uint64()%4, 16))
+			attrs[j].SetValue("xyz" + strconv.FormatUint(rand.Uint64()%4, 16))
+		}
+		objs[i].SetAttributes(attrs...)
+
+		// List indices.
+		if i%2 == 0 {
+			objs[i].SetParentID(parentID)
+		}
+	}
+	return objs
+}
+
+func BenchmarkPut(b *testing.B) {
+	b.Run("parallel", func(b *testing.B) {
+		db := newDB(b,
+			meta.WithBatchDelay(time.Millisecond*10),
+			meta.WithBatchSize(runtime.NumCPU()))
+		// Ensure the benchmark is bound by CPU and not waiting batch-delay time.
+		b.SetParallelism(1)
+
+		index := atomic.NewInt64(-1)
+		objs := prepareObjects(b, b.N)
+		b.ResetTimer()
+		b.ReportAllocs()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				if err := meta.Put(db, objs[index.Inc()], nil); err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+	})
+	b.Run("sequential", func(b *testing.B) {
+		db := newDB(b,
+			meta.WithBatchDelay(time.Millisecond*10),
+			meta.WithBatchSize(1))
+		index := atomic.NewInt64(-1)
+		objs := prepareObjects(b, b.N)
+		b.ResetTimer()
+		b.ReportAllocs()
+		for i := 0; i < b.N; i++ {
+			if err := meta.Put(db, objs[index.Inc()], nil); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}
+
 func TestDB_PutBlobovnicaUpdate(t *testing.T) {
 	db := newDB(t)