gsettings set org.freedesktop.Tracker.Miner.Files crawling-interval -2 gsettings set org.freedesktop.Tracker.Miner.Files enable-monitors false
After this changes, it is highly recommended to cleanup the database to reclaim some lost space on the disk:
tracker-control -r
References :
http://askubuntu.com/questions/346211/tracker-store-and-tracker-miner-fs-eating-up-my-cpu-on-every-startup