Parallel upload of multipart file

[imonarock]

Is it possible to upload the parts in parallel with your uploader?

[MoriTanosuke]

No, the upload is single threaded at the moment. Multi thread would require to rewrite this part:

glacieruploader/glacieruploader-command/src/main/java/de/kopis/glacier/commands/UploadMultipartArchiveCommand.java

Lines 143 to 166 in 6889a44

	while (!completed && tries < 5) {
	tries++;
	try (InputStream inputSubStream = newInputSubstream(file, currentPosition, length)) {
	inputSubStream.mark(-1);
	checksum = TreeHashGenerator.calculateTreeHash(inputSubStream);
	byte[] binaryChecksum = BinaryUtils.fromHex(checksum);
	inputSubStream.reset();
	String range = "bytes " + currentPosition + "-" + (currentPosition + length - 1) + "/*";
	UploadMultipartPartRequest req = new UploadMultipartPartRequest()
	.withChecksum(checksum)
	.withBody(inputSubStream)
	.withRange(range)
	.withUploadId(uploadId)
	.withVaultName(vaultName);
	try {
	UploadMultipartPartResult partResult = client.uploadMultipartPart(req);
	log.info("Part {}/{} ({}) uploaded, checksum: {}, retries: {}", counter, total, range, partResult.getChecksum(), tries);
	completed = true;
	binaryChecksums.add(binaryChecksum);
	} catch (Exception e) {
	failedException = e;
	}
	}
	}