On 1 March 2011 10:22, Richard Weait <[email protected]> wrote: > On Mon, Feb 28, 2011 at 4:00 PM, Robin Paulson <[email protected]> > wrote: >> we at OSM New Zealand are looking at rendering our own (NZ-only) >> tiles, and we'd like to get a rough idea of the hardware requirements >> we will need >> >> are there any rules of thumb for how long it would take to render a >> given lat/lon bbox, using mapnik? >> >> i assume lat/lon is the independent variable, although i guess >> density/complexity of data will affect things as well. >> >> disk space, cpu, ram, time would be useful > > > On 1 March 2011 10:22, Richard Weait <[email protected]> wrote: > It depends. These two metatiles rendered in 18 seconds and 1.5 > seconds. So it can be all over the place depending. This box is busy > doing other things too. > > http://weait.com:8080/map/shield.html?zoom=6&lat=-41.73199&lon=173.35156&layers=BFF > > zooming in to CHCH metatiles were well under a second. > > You can get by with a modest box as long as you don't mind waiting and > have little load. OSM has a monster with 96GB ram and many fast disks > in RAID. You can probably keep a good size group happy with > > a quad core > 8 GB ram > 1 TB of disk
as high as that! wow, i thought it'd be way lower for ~200MB of uncompressed data we're gonna need a bigger machine -- robin http://tangleball.org.nz/ - Auckland's Creative Space http://openstreetmap.org.nz/ - Open Street Map New Zealand http://bumblepuppy.org/blog/ _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
