[lug] rsync throughput curiosity

Richard Johnson rdump at river.com
Sat Feb 10 22:40:35 MST 2018


On 2018-02-09 14:29, Lee Woodworth wrote:
> Something I hadn't noticed before is that rsync throughput can be cpu
> limited when using ssh.

An amusing version of this the other way, noticed by us during transfer of 
large multi-TB data sets: The compression in ssh can be a strong benefit on < 
10Gbit links.

Take a look at HPN SSH if you run into this a lot.
https://www.psc.edu/index.php/hpn-ssh
https://github.com/rapier1/openssh-portable


Rich


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