How often we will update wiki mini atlas with openstreetmap ? http://meta.wikimedia.org/wiki/WikiMiniAtlas
It On 25 April 2011 23:17, Tim Alder <[email protected]> wrote: > Quoting Kai Krueger <[email protected]>: > > > Hello, > ... > >> *The rendering of the>200 styles for the different languages make it > >> difficult to handle the server. > > > > Is that still the memory issue, or did the move to tirex mitigate this? > > > It is more the point that it is difficult to restart tirex (waiting 15 > min...). > So it makes no fun to install new styles and experiment. > The memory usage seems acceptable. > > > > On nearly all tile servers I have seen so far, the bottleneck has > > always been the I/O performance. So it wouldn't be surprising that > > the read IOPS of the disks are maxed out. There are two aspects to > > I/O performance. For one the postgis access and secondly tile > > access. With only ca. 100 tiles/s I wouldn't think the tile access > > would be a significant I/O bottleneck. Postgis on the other hand > > will likely take all I/O performance it can get as long as there is > > something to render. > > Ok, if all requests from en.wp goes to nearly the same points on the > earth that if also have on de.wp it should work and we could do the > same trick that we use at we start at de.wp, because we know the > coordinates we could pre-render the areas. That could work. > > > >> (A upgrade to SSD's would be very interesting for > >> I/O-power. I my eyes we would need only 400 GB so it shouldn't cost too > >> much if we could speed-up the rendering perhaps by factor 5! This would > >> also speed-up the other tools which uses the OSM-database. A solution by > >> brain-power would be off course better.) > > You would presumably only want to put the postgis-DB on an SSD? The > > tiles are probably better off on larger but slower disks. > Yes, I thought about postGIS-DB. > > Greetings > Kolossos > > > > > _______________________________________________ > Maps-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/maps-l > -- Naveen Francis
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