launchpad-dev team mailing list archive

[Aaron Bentley <aaron@xxxxxxxxxxxxx>]

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Hi all,

I've added a new script, "local-latency" to our utilities directory.
This adds 500 ms of latency (in each direction) to port 443 (https) on
your local machine.

utilities/local-latency start will induce latency.
utilities/local-latency stop will turn it off.

The "start" subcommand also takes a --delay option to control the amount
of latency.  It's based on commands supplied by Martin Pool, but I
turned it into script so it's easy to invoke.

We want our AJAX to be as responsive as possible, and simulating latency
will give you a better idea of how responsive your new code is.  I know
it would have been useful for me when I worked on the translation
sharing-details page.

I've added latency only to port 443, not the entire lo interface,
because we don't want to induce latency on the database connections.

The original commands are here:
http://doc.bazaar.canonical.com/bzr.dev/developers/testing.html#simulating-slow-networks

Aaron
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