launchpad-dev team mailing list archive

[Karl Fogel <karl.fogel@xxxxxxxxxxxxx>]

Maris Fogels <maris.fogels@xxxxxxxxxxxxx> writes:
> Here is the full text:

Thank you, Maris!

So there's no way to do it for just *.launchpad.net?  (Hmm, makes me
want to write a browser plugin... :-) )

-Karl, the singular Fogel, to Maris, the plural Fogel

> Fast is Beautiful
>
> One of the most significant aspects of the Launchpad experience in
> Australia is the very high latency on connections to Launchpad — ping
> time is around 300ms. The more roundtrips there are to the server, the
> worse the experience is. If we're focusing more on user experience and
> developing new UI techniques, then it's useful to get some idea of how
> a high latency can affect the user.
>
> Here's how you can do an actual experiment:
>
>       sudo tc qdisc add dev lo root netem delay 150ms
>
> Will set the latency on your loopback device to 150ms, making the
> total roundtrip 300ms. Normal system behaviour is restored with:
>
>       sudo tc qdisc del dev lo root
>
> (Commands obtained from http://bazaar-vcs.org/SmartPushAnalysis1.4)
>
> It'll be fun to try this during the AJAX workshops. :)
>
> jml