rsync speed

Julian Pace Ross julian.paceross at gmail.com
Wed May 17 19:43:50 GMT 2006


Hi all,
I have a Windows server with rsync and cygwin, and I backup/restore files
over ssh to a Linux server with rsync 2.6.8, over a 100Mbps LAN.

I have tried an experiment with one 350MB file:

Pushing the file from Windows to Linux over ssh takes around 15 min, with an
average speed of ~400Kbps (using --progress).

Pulling the same file using the same arguments takes around 45 mins, with an
average speed of ~150Kbps.

It seems slow to me (ssh overhead??) ... and also, any ideas as to why the
discrepancy in speed? (I tried several times).

The commands are as follows:
Backup:
rsync -av --delete --omit-dir-times --progress --password-file=config\sv_sec
-e "bin\ssh -i key\access.key -l pluto -p 22" "/cygdrive/C/plutofiles/"
sv_rs at 192.168.xxx.xxx::plutofiles

Restore:
rsync -av --delete --omit-dir-times --progress
--password-file=config\sv_sec_dec -e "bin\ssh -i key\access.key -l pluto -p
22" sv_rs at 192.168.xxx.xxx::plutofiles "/cygdrive/C/plutofiles/"


 Thanks,
Julian
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