Nick Craig-Wood f29c6049fc local: preallocate files on Windows to reduce fragmentation #2469
Before this change on Windows, files copied locally could become
heavily fragmented (300+ fragments for maybe 100 MB), no matter how
much contiguous free space there was (even if it's over 1TiB). This
can needlessly yet severely adversely affect performance on hard
disks.

This changes uses NtSetInformationFile to pre-allocate the space to
avoid this.

It does nothing on other OSes other than Windows.
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Rclone is a command line program to sync files and directories to and from

  • Amazon Drive (See note)
  • Amazon S3 / Dreamhost / Ceph / Minio / Wasabi
  • Backblaze B2
  • Box
  • Dropbox
  • FTP
  • Google Cloud Storage
  • Google Drive
  • HTTP
  • Hubic
  • Jottacloud
  • Mega
  • Microsoft Azure Blob Storage
  • Microsoft OneDrive
  • OpenDrive
  • Openstack Swift / Rackspace cloud files / Memset Memstore / OVH / Oracle Cloud Storage
  • pCloud
  • QingStor
  • SFTP
  • Webdav / Owncloud / Nextcloud
  • Yandex Disk
  • The local filesystem

Features

  • MD5/SHA1 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, eg two different cloud accounts
  • Optional encryption (Crypt)
  • Optional FUSE mount

See the home page for installation, usage, documentation, changelog and configuration walkthroughs.

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, Azure Blob, Azure Files, Yandex Files
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