Date: Sun, 15 Jan 2012 16:28:59 -0000 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: ml-freebsd-stable Stable <freebsd-stable@freebsd.org> Subject: Re: HPN-SSH question Message-ID: <40A76FC1992140AFA5B8EB52C28DB3A1@multiplay.co.uk> References: <9728B37F7A4EBE45A2FD4B18883BAED6D02612@SN2PRD0802MB111.namprd08.prod.outlook.com> <BE96C8EC5CEB4411BAA45D9A5882CDAB@multiplay.co.uk> <A6AFCC97-74FE-4B9E-8B9E-B245909D944E@lists.zabbadoz.net>
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----- Original Message -----
From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
To: "Steven Hartland" <killing@multiplay.co.uk>
Cc: "ml-freebsd-stable Stable" <freebsd-stable@freebsd.org>
Sent: Sunday, January 15, 2012 1:41 AM
Subject: Re: HPN-SSH question
> On 14. Jan 2012, at 23:56 , Steven Hartland wrote:
>
>> On a similar note I'm actually quite concerned by the inclusion of
>> these patches by default in the OS version of ssh as we've seen
>> several cases of it causing noticeable performance degradation
>> instead of improvement.
>>
>> I've not tested on 9, but this was certainly the case on 8.2.
>
> 8.2 did not shipped them so you had installed them yourself?
>
> What kind of performance degradations and in which kind of environment
> an how "noticeable"?
Yep we installed openssh-portable + HPN and experienced noticeably
reduced transfer rates on high latency links, exactly the opposite
as one would expect. I don't have the exact figures I'm afraid as
we just went straight back to standard ssh.
I'll try and get some time to retest and provide some proper
results.
Regards
Steve
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