Re: [OSM-dev] History API Server

2009-12-09 Thread Tom Hughes
On 09/12/09 20:27, Peter Körner wrote: Such an api could create heavy load on the underlying database, what is AFAIR the main reason why such calls aren't implemented in the current api. But unlike on the main api, queries to an such a history api don't need to be answered in miliseconds.

Re: [OSM-dev] History API Server

2009-12-09 Thread Frederik Ramm
Hi, Tom Hughes wrote: You may not mind that it takes 15 minutes to answer your query but the problem is that long query times like that probably won't scale because if an average query takes 15 minutes then the server (assuming that we're talking an I/O bound process) can only handle four

Re: [OSM-dev] History API Server

2009-12-09 Thread Stefan de Konink
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Frederik Ramm schreef: Tom Hughes wrote: You may not mind that it takes 15 minutes to answer your query but the problem is that long query times like that probably won't scale because if an average query takes 15 minutes then the server

Re: [OSM-dev] History API Server

2009-12-09 Thread Frederik Ramm
Hi, 80n wrote: Something like this is well within the capabilities of XAPI and I had already downloaded a copy of the full history and was just starting to think about what should be done with it. Stefan de Konink wrote: Already forwarded this e-mail to the head of our department to get

Re: [OSM-dev] History API Server

2009-12-09 Thread Stefan de Konink
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Hi, Frederik Ramm schreef: I wonder if there is already an Internet law that says something like: Those with the most energy to solve a problem will likely also be those employing the most exotic tools to do it. Oh, yeah I could ofcourse

Re: [OSM-dev] History API Server

2009-12-09 Thread Lars Francke
Hi Peter, as far as I can see all that you've described will be available in the new OSMdoc version (including 'minor' versions when a node for a way is updated). This is if everything goes according to plan and I don't have to delete a whole bunch of data because of the license change. But the