[Openstreetmap-dev] OSM's Schema - moving it forwards.

Ben Gimpert ben at somethingmodern.com
Thu Dec 1 10:59:11 GMT 2005


On Thu, Dec 01, 2005 at 11:53:37AM +0100, Immanuel Scholz wrote:
> This is inefficient and not the idea of OSM data storage, where segments
> and points should be reused and combined to other objects if necessary.

It might be okay, we'll just gzip the redundancy away.

> Now, if you disagree that XML fits as a transport format, we can discuss
> another transport format. Make a concrete suggestion of the CSV structure,
> write some ruby and maybe point out a java library for CSV and we can try
> it out.

Nah, XML is fine. Or CSV. Or whatever. Let's just do it, and see if it
works in hindsight.

> But it could be wise to first profile some performance measurements on the
> server and applet since I still bet that the XML part is not the problem.

Very good idea. Maybe I'll look into how much CPU time (%) the Ruby
server stuff spends in the XML parsing.

		Ben






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