[dolphin] [Bug 417358] New: Dolphin gets 7MiB/s compared to cp 18MiB/s on copy to NAS (cifs) on WiFi

[Fabby]

https://bugs.kde.org/show_bug.cgi?id=417358

            Bug ID: 417358
           Summary: Dolphin gets 7MiB/s compared to cp 18MiB/s on copy to
                    NAS (cifs) on WiFi
           Product: dolphin
           Version: 19.12.1
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: Fabrizio.Marana at GMail.COM
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
When copying files to NAS using CIFS over WiFi, Dolphin copies take >2 times
longer than the same file copied using cp

STEPS TO REPRODUCE
1. create 1GB file: head -c 1G < /dev/urandom > /tmp/1G
2. mount NAS cifs: mount -t cifs -o
rw,username=UID,password=PWD,domain=WGP,vers=1.0 //SERVER/SHARE/DIRECTORY
/media/DIRECTORY
3. drag and drop /tmp/1G to /media/DIRECTORY. Measure time.
4. execute: cp /tmp/1G /media/DIRECTORY. Measure time

OBSERVED RESULT
Dolphin gets 7MiB/s, cp gets 18MiB/s

EXPECTED RESULT
Dolphin = cp

SOFTWARE/OS VERSIONS
Windows: Not tested
macOS: N/A
Linux/KDE Plasma: 
 Operating System: Manjaro Linux 
 KDE Plasma Version: 5.17.5
 KDE Frameworks Version: 5.66.0
 Qt Version: 5.14.1
 Kernel Version: 5.4.17-1-MANJARO
 OS Type: 64-bit
 Processors: 8 × Intel® Core™ i7-7700HQ CPU @ 2.80GHz
 Memory: 15.6 GiB of RAM

ADDITIONAL INFORMATION
Not expecting Dolphin to be 100% of cp but less than half the speed???  :O
Classified as minor because it works, just  S L O W L Y . . .

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