[OSM-talk] mapnik weekly rendering after API 0.6

[Joe Richards]

>> Is the weekly Mapnik rendering process still running after the upgrade to API 0.6? If so, which day is it scheduled for? 
>
> It will still occurs on Wednesdays. I have started off the import this
> evening so it should begin rendering the latest changes tomorrow.

so it's normally on a cron schedule, but this time it was started manually?  Out of interest, since Mapnik seems to process the entire world quite quickly, why is it not invoked when a tile is dirty, like osmarender?