OSX 10.8.2 Safari 6.0.1 Data is constantly being written to my SSD system disk, even when idling, and I'm worried because of the limited writes on SSD disks. After 60 min of idling, with only Activity Monitor running, almost 1 GB have been written. How can I stop it? I have managed to remove the traditional website caching by locking the "com.apple.safari" folder in the "Caches" folder and disabled the "web image preview" but videos from sites like Youtube will still continue to cache. After watching two 720p Youtube videos 3.59 GB of video cache has been written to my SSD system disk. I want to stop Safari from cache videos, permanently.