[nycbug-talk] HPN-SSH

[Peter Wright]

> On Mon, May 22, 2006 at 10:57:22AM -0700, Peter Wright wrote:
>>
>> > On Mon, May 22, 2006 at 10:23:31AM -0700, Peter Wright wrote:
>> >> Hi, does anyone have any thought's on this...
>> >>
>> >> http://www.psc.edu/networking/projects/hpn-ssh/
>> >>
>> >> basicly it's a patch to openssh to allow tuning of the internal flow
>> >> control buffers.  I'm currently googling for comments from openssh
>> >> team...
>> >
>> > It seems to decrease performance on slow networks:
>> >
>> > 	http://marc.theaimsgroup.com/?m=112884429502318
>> >
>> > -Ray-
>> >
>>
>>
>> yes it could do that for sure...i am targeting it on 1 and 10 gig-e
>> ethernet, and am hoping this will help scp performance.  i guess my
>> question is, does this introduce any serious compatibility issues...or
>> more importantly has the OpenSSH team spotted any problems with this
>> patch?
>
> I've only seen reports of slowness for slower networks; I haven't
> seen incompatibility reports, but I don't work on OpenSSH.
>
> Have you tried running with the patch yet?  It might not improve
> performance even for 10 gig Ethernet.
>
> Spam the OpenSSH list for more information.
>
> -Ray-
>



it's working ok, and initial test's do show a marked improvement on our
1-gig network (our backbone is 10-gig).  i'll keep hacking on it.

-p

-- 
~~oO00Oo~~
Peter Wright
pete at nomadlogic.org
www.nomadlogic.org/~pete
310.869.9459