[clug] remote X performannce

Steve McInerney steve at stedee.id.au
Tue Aug 4 22:00:09 MDT 2009

On Tue, 2009-08-04 at 10:29 +1000, Hugh Fisher wrote:
> Michael James wrote:
> > Running from a machine on the same local switch
> >  we get visible re-draw delays but usable performance.
> > 
> > Running from Brisbane back to Canberra we get ...
> >  "You have re-sized your screen, go have lunch
> >  while you wait for the changes to take effect".
> > 
> > The network looks good, a long ping gives
> >  no packet loss and a rock steady 16.6 mSecond delay.
> > 
> > Why is the network having such a bad effect?
> I'd suggest trying NX, or if that doesn't work, consider
> VNC. No, really. VNC takes the brute-force approach of
> just shuttling blocks of pixels around, so won't be
> affected by any strange interactions between the app
> code and X.

+1 to Hugh's suggestion.

Have had *horrible* unusable performance out of Java X apps in the past;
DISPLAY them locally, and vnc that, and they run like a champ.

- Steve

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