[OmniOS-discuss] Slow ssh transfers

Dan McDonald danmcd at omniti.com
Tue Oct 11 19:14:46 UTC 2016


Dumb question - is your FreeBSD frame size jumbo? 

Also, try this on OmniOS:

ipadm set-prop -p send_buf=1048576 tcp
ipadm set-prop -p recv_buf=1048576 tcp

And see if that helps if the frame size isn't smaller on OmniOS.

Dan

Sent from my iPhone (typos, autocorrect, and all)

> On Oct 11, 2016, at 1:53 PM, Martin Waldenvik <waldenvik at gmx.com> wrote:
> 
> Hi
> 
> I'm wondering if anyone can shed some light on a problem I have. I'm using lftp sftp a lot and it is very slow.  I can work around that sometimes by using another server. But I am also using zrep (using ssh) to replicate my pool to a backup server. This is also slow. Transfer is about 40 megabyte (omnios  to omnios). When doing this on freebsd it is about 100 megabyte and it saturates my gigabit link (freebsd to freebsd). Same hardware.
> 
> I'm using the latest Omios LTS release and openssh. Is there any way to speed this up on Omnios?
> 
> Regards
> Martin
> 
> 
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