I pulled the plug on my abidb mirror and reimported a fresh germany extract (Thanks geofabrik). Aplying the global changesets for 6 months gained 80GB of data in my mirror database and made some sql statements run forever. So now we are back in the game - hopefully some bugs introduced with aplying the hourly diffs are gone now too. I am sorry for the other users of the maxspeed map - no more Rome, London or Paris currently ...