[Tile-serving] openstreetmap-carto benchmark results

Frederik Ramm frederik at remote.org
Thu May 16 23:15:43 UTC 2013


On 17.05.2013 00:10, Kai Krueger wrote:
> But either way, if we do move over to a multi server setup, it should
> give the breathing space to switch over now, while at the same time
> continuing to figure out how to regain the performance loss with carto.

Possibly stupid question since I haven't followed too closely, but have 
we already established that the performance loss is something one has to 
live with?

If the carto style is slower when generating the exact same images then 
it must be making (even more ;)) unnecessary queries than when the XML 
style is used; maybe it is possible to fix either the style or the 
toolchain to avoid that? Does the benchmark perhaps offer some kind of 
starting point here - can one somehow compare the database queries made 
by both solutions during the test run, find out which of them differ 
vastly, and then work on making them differ less?


Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"

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