@@ -12,9 +12,12 @@ import (
 
 func (c *Client) objectPutInitTransformer(prm PrmObjectPutInit) (*objectWriterTransformer, error) {
 	var w objectWriterTransformer
+	pool := transformer.NewBytePool(prm.MaxSize)

@@ -0,0 +26,4 @@
+}
+
+func (bsp *BytePool) Put(s []byte) {
+	if cap(s) < int(bsp.size) {

@@ -0,0 +9,4 @@
+	size uint64
+}
+
+func NewByteSlicePool(initialCapacity uint64) *BytePool {

@@ -232,4 +228,0 @@
-			},
-			key:   v2acl.FilterObjectType,
-			value: "STORAGE_GROUP",
-		},

@@ -199,0 +212,4 @@
+	if s.Pool != nil {
+		var buffer buffPool.Buffer
+		buffer.Data = s.payload
+		defer s.Pool.Put(&buffer)

@@ -141,0 +144,4 @@
+		s.payload = make([]byte, 0, payloadSize)
+	} else {
+		if payloadSize == 0 {
+			payloadSize = s.MaxSize

@@ -199,0 +212,4 @@
+	if s.Pool != nil {
+		var buffer buffPool.Buffer
+		buffer.Data = s.payload
+		s.Pool.Put(&buffer)

@@ -37,2 +38,4 @@
 
 	Key *ecdsa.PrivateKey
+
+	//Optional. It makes sense to pass this if the file is large.

@@ -141,0 +149,4 @@
+
+		buffer := s.Pool.Get(uint32(payloadSize))
+		s.payload = buffer.Data
+		s.payload = s.payload[:0]

@@ -110,6 +112,8 @@ func (it *internalTarget) tryPutSingle(ctx context.Context, o *object.Object) (b
 	}
 
 	if err == nil {
+		it.returnBuffPool(o.Payload())

@@ -21,3 +22,3 @@
 	tt := new(testTarget)
 
-	target, pk := newPayloadSizeLimiter(maxSize, 0, func() ObjectWriter { return tt })
+	var contextTest benchContext

@@ -154,3 +159,3 @@
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
-		f, _ := newPayloadSizeLimiter(maxSize, uint64(sizeHint), func() ObjectWriter { return benchTarget{} })
+		var context benchContext

@@ -296,1 +305,4 @@
 func (s *payloadSizeLimiter) writeHashes(chunk []byte) error {
+	// The buffer pool requires that the capacity must be <= MaxSize.
+	// Using append to increase size could lead to cap > MaxSize and len < MaxSize.
+	if cap(s.payload) < len(s.payload)+len(chunk) {