With the database loaded, all the software installed, and everything configured, it’s time to render tiles. This is done with the
mapproxy-seed program, using the previous config files. The only option needed besides config file locations is
-c which sets how many CPU threads to use. For the machine I’m using, 7 works best. Fewer leaves some capacity idle, while running with too many threads starves PostgreSQL and system of any CPU time.
How long this takes depends on to what zoom you’re seeding, and how powerful the server is. On my server it takes about four hours to seed to zoom 10.