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mirror of https://github.com/rclone/rclone.git synced 2025-02-20 07:48:33 +02:00
Nick Craig-Wood 7e6fac8b1e s3: re-implement multipart upload to fix memory issues
There have been quite a few reports of problems with the multipart
uploader using too much memory and not retrying possible errors.

Before this change the multipart uploader used the s3manager
abstraction in the AWS SDK.  There are numerous bug reports of this
using up too much memory.

This change re-implements a much simplified version of the s3manager
code specialized for rclone's purposes.

This should use much less memory and retry chunks properly.

See: https://forum.rclone.org/t/memory-usage-s3-alike-to-glacier-without-big-directories/13563
See: https://forum.rclone.org/t/copy-from-local-to-s3-has-high-memory-usage/13405
See: https://forum.rclone.org/t/big-file-upload-to-s3-fails/13575
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Rclone

Rclone ("rsync for cloud storage") is a command line program to sync files and directories to and from different cloud storage providers.

Storage providers

Please see the full list of all storage providers and their features

Features

  • MD5/SHA-1 hashes checked at all times for file integrity
  • Timestamps preserved on files
  • Partial syncs supported on a whole file basis
  • Copy mode to just copy new/changed files
  • Sync (one way) mode to make a directory identical
  • Check mode to check for file hash equality
  • Can sync to and from network, e.g. two different cloud accounts
  • Optional large file chunking (Chunker)
  • Optional encryption (Crypt)
  • Optional cache (Cache)
  • Optional FUSE mount (rclone mount)
  • Multi-threaded downloads to local disk
  • Can serve local or remote files over HTTP/WebDav/FTP/SFTP/dlna

Installation & documentation

Please see the rclone website for:

Downloads

License

This is free software under the terms of MIT the license (check the COPYING file included in this package).

Description
"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Yandex Files
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