The Natural Philosopher  wrote:
> On 11/01/2021 15:16, Chris Green wrote:
> > Chris Green  wrote:
> >> paul lee  wrote:
> >> [snip speeds etc.]
> >>
> >> FWIW here are some figures I just got copy a large file across my
> >> network to my Pi 'NAS':-
> >>
> >> chris@esprimo$ scp 2020-08-20-raspios-buster-armhf-lite.zip
backup:/bak/esprimo/cur/home/chris
> >> 2020-08-20-raspios-buster-armhf-lite.zip 100% 434MB 11.2MB/s 00:38
> >> chris@esprimo$ scp 2020-08-20-raspios-buster-armhf-lite.zip backup:
> >> 2020-08-20-raspios-buster-armhf-lite.zip 100% 434MB 11.2MB/s 00:38
> >>
> > The above speeds are wrong, I think one of my switches was playing up,
> > revised speeds as follows:-
> >
> > Desktop to backup SD card:-
> >      bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100% 
850MB  20.6MB/s   00:41
> >      bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100% 
850MB  21.3MB/s   00:39
> >
> > Desktop to backup external USB3 hard drive:-
> >      bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100% 
850MB  47.3MB/s   00:17
> >      bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100% 
850MB  45.3MB/s   00:18
> >
> > Backup to desktop, from SD card:-
> >      bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100% 
850MB  36.9MB/s   00:23
> >
> > Backup to desktop, from external USB3 hard drive:-
> >      bone-debian-9.4-console-armhf-2018-07-08-1gb.img              100% 
850MB  39.2MB/s   00:21
> >
> > So, getting on for half the theoretical speed over a Gigabit network in the
best case.
> >
> Mmm. I get pretty close to my 100Mbps network  against a linux server
> with NFS.
>
From desktop to/from laptop I too get something over 100MBps on my Gigabit
network. The Pi4 (as can be seen above) is somewhat slower, but not
hugely.  ... and the Pi doesn't have a particularly fast disk, unlike
my desktop and laptop which both have NVME SSDs.

--
Chris Green
·

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