ExtraUploader is a JSP file upload bean. Unlimited file size, low memory cost and a real step-by-step uploading. This uploader is specially designed for extra large file uploading (1Gb tested). Low memory consuming - you can specify buffer size less than 10KB, so there can operate a number of concurrent uploading processes. You can decide what to do with upcoming file before file body body uploading process(skip store in memory or as file). You can also specify filters for automatically skipping some types of files.