[X2go-Dev] libssh, nagle, and performance issues

Oleksandr Shneyder oleksandr.shneyder at obviously-nice.de
Mon Sep 19 13:52:30 CEST 2011


Am 19.09.2011 13:18, schrieb John A. Sullivan III:
> On Mon, 2011-09-19 at 09:51 +0200, Oleksandr Shneyder wrote: 
>> Am 17.09.2011 03:39, schrieb John A. Sullivan III:
>> <snip>>>> Hello, all.  Since moving to the newer clients using libssh, I've
>>>>> noticed what appears to be a performance degradation.  It smells like
>>>>> Nagle coalescing packets, e.g., most of the screen will paint, then it
>>>>> will pause a moment, and then the rest will paint.  Is there any chance
>>>>> we have neglected to disable Nagle when invoking libssh?
> <snip> 
>> I can imagine, that it can be problem in libssh on Windows. Can you try
>> to build a new libssh.dll on your system? However, I still cannot
>> reproduce your issue on my windows client :(
>>
>> regards,
>> Alex
> <snip>
> Thanks, Alex, although I see the problem in Linux, though not as badly.
> I can give a new libssh.dll a try.  Any pointers on how I build myself a
> new one? Thanks - John
> 
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As I can remember, you need a cmake and mingw. for other dependencies
you will be informed by cmake.

regards,
Alex
-- 
Oleksandr Shneyder
Dipl. Informatik
X2go Core Developer Team

email:  oleksandr.shneyder at obviously-nice.de
web: www.obviously-nice.de

--> X2go - everywhere at home

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