use copyBuffer

Author: Hitenjain14

code/go/0chain.net/blobbercore/filestore/storage.go

@@ -56,6 +56,7 @@ const (
 	PreCommitDir    = "precommit"
 	MerkleChunkSize = 64
 	ChunkSize       = 64 * KB
+	BufferSize      = 10 * MB
 )
 
 func (fs *FileStore) WriteFile(allocID, conID string, fileData *FileInputData, infile multipart.File) (*FileOutputData, error) {
@@ -245,7 +246,8 @@ func (fs *FileStore) CommitWrite(allocID, conID string, fileData *FileInputData)
 	fileSize := rStat.Size()
 	start := time.Now()
 	hasher := GetNewCommitHasher(fileSize)
-	_, err = io.Copy(hasher, r)
+	buffer := make([]byte, BufferSize)
+	_, err = io.CopyBuffer(hasher, r, buffer)
 	if err != nil {
 		return false, common.NewError("read_write_error", err.Error())
 	}

code/go/0chain.net/blobbercore/handler/file_command_upload.go

@@ -54,12 +54,13 @@ func (cmd *UploadFileCommand) IsValidated(ctx context.Context, req *http.Request
 	fileChanger := &allocation.UploadFileChanger{}
 
 	uploadMetaString := req.FormValue(UploadMeta)
+	elapsedReadForm := time.Since(start)
 	err := json.Unmarshal([]byte(uploadMetaString), fileChanger)
 	if err != nil {
 		return common.NewError("invalid_parameters",
 			"Invalid parameters. Error parsing the meta data for upload."+err.Error())
 	}
-	elapsedUnmarshal := time.Since(start)
+	elapsedUnmarshal := time.Since(start) - elapsedReadForm
 
 	if fileChanger.Path == "/" {
 		return common.NewError("invalid_path", "Invalid path. Cannot upload to root directory")
@@ -99,7 +100,7 @@ func (cmd *UploadFileCommand) IsValidated(ctx context.Context, req *http.Request
 	}
 
 	cmd.fileChanger = fileChanger
-	logging.Logger.Info("isValidated", zap.Duration("elapsedUnmarshal", elapsedUnmarshal), zap.Duration("elapsedRefExist", elapsedRefExist), zap.Duration("elapsed", time.Since(start)))
+	logging.Logger.Info("isValidated", zap.Duration("elapsedReamForm", elapsedReadForm), zap.Duration("elapsedUnmarshal", elapsedUnmarshal), zap.Duration("elapsedRefExist", elapsedRefExist), zap.Duration("elapsed", time.Since(start)))
 	return nil
 }