Am 21.08.12 09:37, schrieb Mogens Kjaer: > On 08/21/2012 09:30 AM, Götz Reinicke wrote: >> 564 root 20 0 98.5m 6872 2968 R 99.0 0.2 1:08.10 sshd > > It looks like ssh is the rate limiting step in your rsync. > > What cipher are you using for ssh? > > I use > > rsync --rsh='/usr/bin/ssh -c arcfour128' ... > > that helps quite a bit on my hardware, your hardware might do better > with another cipher. > > You should check out https://bbs.archlinux.org/viewtopic.php?id=136713 > to learn more about this. Thanks, that shows a much different transfer speed :) I was not thinking, that rsync also involves ssh and de/encryption speed .. so the bottleneck looks like the cpu in my test. Thanks a lot I learned something new to me :) Regards . Götz -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 82 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke at filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzender des Aufsichtsrats: Jürgen Walter MdL Staatssekretär im Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg Geschäftsführer: Prof. Thomas Schadt