diff --git a/objectnode/fs_volume.go b/objectnode/fs_volume.go
index 4316a78b9..24a545311 100644
--- a/objectnode/fs_volume.go
+++ b/objectnode/fs_volume.go
@@ -1559,8 +1559,8 @@ func (v *Volume) readEbs(inode, inodeSize uint64, path string, writer io.Writer,
 	reader := v.getEbsReader(inode)
 	var n int
 	var rest uint64
-	tmp := buf.ReadBufPool.Get().([]byte)
-	defer buf.ReadBufPool.Put(tmp) // nolint: staticcheck
+	tmp := buf.ClodVolReaderBufPool.Get().([]byte)
+	defer buf.ClodVolReaderBufPool.Put(tmp)
 
 	for {
 		if rest = upper - offset; rest <= 0 {
diff --git a/sdk/data/blobstore/writer.go b/sdk/data/blobstore/writer.go
index c4b0aa0bd..54adbca3f 100644
--- a/sdk/data/blobstore/writer.go
+++ b/sdk/data/blobstore/writer.go
@@ -207,11 +207,11 @@ func (writer *Writer) cacheLevel2(wSlice *rwSlice) {
 
 func (writer *Writer) WriteFromReader(ctx context.Context, reader io.Reader, h hash.Hash) (size uint64, err error) {
 	var (
-		tmp         = buf.ReadBufPool.Get().([]byte)
+		tmp         = buf.ClodVolWriteBufPool.Get().([]byte)
 		exec        = NewExecutor(writer.wConcurrency)
 		leftToWrite int
 	)
-	defer buf.ReadBufPool.Put(tmp) // nolint: staticcheck
+	defer buf.ClodVolWriteBufPool.Put(tmp)
 
 	writer.fileOffset = 0
 	writer.err = make(chan *wSliceErr)
diff --git a/util/buf/buffer_pool.go b/util/buf/buffer_pool.go
index 95abc0233..443dbf0c1 100644
--- a/util/buf/buffer_pool.go
+++ b/util/buf/buffer_pool.go
@@ -15,12 +15,20 @@ const (
 	MinBufferChanSize = 16
 )
 
-var ReadBufPool = sync.Pool{
-	New: func() interface{} {
-		b := make([]byte, 32*1024)
-		return b
-	},
-}
+var (
+	ClodVolWriteBufPool = sync.Pool{
+		New: func() interface{} {
+			b := make([]byte, 32*1024)
+			return b
+		},
+	}
+	ClodVolReaderBufPool = sync.Pool{
+		New: func() interface{} {
+			b := make([]byte, 1024*1024)
+			return b
+		},
+	}
+)
 
 const (
 	BufferTypeHeader    = 0