Public bug reported:

I'm mounting folders from my NAS on my computer (Ubuntu 18.04) with
cifs. Copying an 8 GB file...

Upload (local -> mounted)
- Nautilus/Nemo -> 6 MB/s
- rsync -> 50-60 MB/s

Download performance is also strange, but not my biggest concern.
Download (mounted -> local)
- Nautilus/Nemo -> 90 MB/s
- rsync -> 50-60 MB/s

rsync command (upload):
rsync --progress /home/me/file.iso /mnt/cifs_media/

fstab entry:
//nas/media /mnt/cifs_media cifs 
vers=3.0,uid=me,gid=me,credentials=/home/me/.smbcredentials,dir_mode=0700,file_mode=0700
 0 0

Any idea, why Nautilus is uploading up to 10 times more slowly than
rsync, although both using the same cifs, os, hardware, network etc.?

PS: Further info for bug report
1) The release of Ubuntu: Ubuntu 18.04 LTS
2) The version of the package: Nautilus 3.26.3
3) What you expected to happen: At least same speed as with using rsync
4) What happened instead: See above

** Affects: nautilus (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  I'm mounting folders from my NAS on my computer (Ubuntu 18.04) with
  cifs. Copying an 8 GB file...
  
  Upload (local -> mounted)
  - Nautilus/Nemo -> 6 MB/s
  - rsync -> 50-60 MB/s
  
  Download performance is also strange, but not my biggest concern.
  Download (mounted -> local)
  - Nautilus/Nemo -> 90 MB/s
  - rsync -> 50-60 MB/s
  
- rsync command (upload): 
+ rsync command (upload):
  rsync --progress /home/me/file.iso /mnt/cifs_media/
  
- fstab entry: 
+ fstab entry:
  //nas/media /mnt/cifs_media cifs 
vers=3.0,uid=me,gid=me,credentials=/home/me/.smbcredentials,dir_mode=0700,file_mode=0700
 0 0
  
  Any idea, why Nautilus is uploading up to 10 times more slowly than
  rsync, although both using the same cifs, os, hardware, network etc.?
  
  PS: Further info for bug report
  1) The release of Ubuntu: Ubuntu 18.04 LTS
  2) The version of the package: Nautilus 3.26.3
- 3) What you expected to happen: At least same speed as rsync
+ 3) What you expected to happen: At least same speed as with using rsync
  4) What happened instead: See above

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nautilus in Ubuntu.
https://bugs.launchpad.net/bugs/1782535

Title:
  cifs - poor upload speed with nautilus compared to rsync

Status in nautilus package in Ubuntu:
  New

Bug description:
  I'm mounting folders from my NAS on my computer (Ubuntu 18.04) with
  cifs. Copying an 8 GB file...

  Upload (local -> mounted)
  - Nautilus/Nemo -> 6 MB/s
  - rsync -> 50-60 MB/s

  Download performance is also strange, but not my biggest concern.
  Download (mounted -> local)
  - Nautilus/Nemo -> 90 MB/s
  - rsync -> 50-60 MB/s

  rsync command (upload):
  rsync --progress /home/me/file.iso /mnt/cifs_media/

  fstab entry:
  //nas/media /mnt/cifs_media cifs 
vers=3.0,uid=me,gid=me,credentials=/home/me/.smbcredentials,dir_mode=0700,file_mode=0700
 0 0

  Any idea, why Nautilus is uploading up to 10 times more slowly than
  rsync, although both using the same cifs, os, hardware, network etc.?

  PS: Further info for bug report
  1) The release of Ubuntu: Ubuntu 18.04 LTS
  2) The version of the package: Nautilus 3.26.3
  3) What you expected to happen: At least same speed as with using rsync
  4) What happened instead: See above

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1782535/+subscriptions

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