how organize services

please tell me how to organize serivices, tvheadend working from 2014, and now i have almost 5000 services from hotbird, but it should be about 1500, so many of them are old, unused and webinterface is lagging when i want add or edit channel.

now manualy removed old services, but tell me, what to do then tvheadend do update services not add new ones when are some changes by providers.

sorry for my english, i hope you understand me