On Sat, Feb 07, 2009 at 06:50:26PM +0000, Jon Burgess wrote: > On Sat, 2009-02-07 at 13:15 -0500, Christopher Schmidt wrote: > > On Sat, Feb 07, 2009 at 09:48:14AM -0800, riteshambastha wrote: > > > > > > I am using tilecache to read mapnik layer and generate tiles. I am using > > > tilecache_seed.py for achieving this. > > > > > > Since python is single threaded, with a high-end machine(16GB RAM , 8 > > > Processors), we are getting very low performance. > > > > tilecache_seed.py is single threaded. There is no reason this *has* to > > be the case, and could easily be changed. > > > > > So, we are looking for an alternative. We are experimenting with > > > GeoWebCache > > > as it supports multiple threads (java). > > > > GeoWebCache can't interact with the Mapnik Python bindings. I would > > recommend simply making tilecache_seed multithreaded. > > Does tilecache have a single python/mapnik instance? I guess it depends > on how you've configured your web server.
Generally speaking, the server will be multithreaded -- either via mo_python, mod_wsgi, cgi, or multithreaded basehttpserver. tilecahce_seed doesn't go through the webserver, though, and is just a single python/mapnik instance, not multiple instances. Regards, -- Christopher Schmidt MetaCarta _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
