On 07/12/09 14:16, Frederik Ramm wrote: > Nick, Oleg, > > thank you for answering. > > I'm quite surprised that you are working directly from the API. Nick writes: > >> The server is actually quite responsive for POIs - maybe its because >> node queries are faster than way queries and because the bboxes are >> generally very small (equal to a few tiles). > > I can imagine that the server is responsive enough if you query for a > simple POI, or a number of them. But to the best of my knowledge, the > 0.6 API has no call that lets you retrieve only nodes in a certain bbox. > So do you initially do a slow "give me everything in this bbox" call and > simply discard ways and relations?
A call to get only points is certainly something we could add and it would certainly save quite a bit of work on the server over the normal map call and hence hopefully speed things up. >> around conflicts though. An alternative is to speed up the main OSM >> server - this is good because then everyone in the community benefits >> (eg Potlatch and other editor users) and mainly because it reduces >> issues around conflicts. If we ended up doing a CM XAPI, we'd open up >> access to anyone who wanted to use it anyway, so other editors and >> mappers could benefit. > > There's surely a lot of potential benefits for the community at large in > there. I think the OSM admins may already have the idea of replication > on their radars, where read requests are fulfilled from a different > server than the writes go to. I don't know if that would be a > replication on the Postres level or on the application level. Well TRAPI already exists for the purpose of providing efficient read only access to the data for an area. Tom -- Tom Hughes (t...@compton.nu) http://www.compton.nu/ _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
