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

[John A. Sullivan III]

On Fri, 2011-09-30 at 08:32 +0200, Mike Gabriel wrote:
> Hi John,
> 
> On Fr 16 Sep 2011 21:56:38 CEST "John A. Sullivan III" wrote:
> 
> > 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?
> 
> Have you tested the anti-Nagle patch with the Windows version of  
> x2goclient??? Is the sluggishness issue gone? Just for the records.
> 
<snip>
Sorry, I thought I had mentioned that.  Alas, not.  In fact, I am in it
right now reading my email via Evolution and it is painfully,
dangerously slow.  My guess is this is more a X to GDI issue, i.e., a
vcxsrv issue but I'm not sure - John