Hello, I support the XAPI instance on one of the new servers. With the standard output format it is really useful for other tools to get only a subset of the huge osm-data mountain. It has also load balancing for more than one servers and runs stable for a long time. The query interface is simple and good. So I see it more on the productive database server where we also have more hard disks with space and performance, which we perhaps don't need at beginning. Would this be OK?
The Xapi on wikimedia servers would speed up my query-to-map tool really, so I have perhaps no neutral point of view, but I thing it would be also a good way to give OSM fast something back if Wikimedia profits from the osm-maps. If we get later a really high load level on the database server we can talk about it again.
We would have with Xapi a good base to upgrade it later perhaps to a more common system in the backround like PostGIS or to a more directly output on a maps-layer or something like this. So the Xapi could be perhaps better but in the moment we have nothing that is similar or better.
Greetings Kolossos