I once drew attention to the status during unresponsiveness wrote "waiting for cache".
Cleaned the cache did not help. Removed cache files manually for 10 minutes. Set the key size limitation of the cache - ignore. As I understand it, the problem is a large number of files in the cache folder - it seems the drive can't cope. Maybe in the latest versions they changed the way the cache - I'm not an expert. Even a SSD drive is not saved.
In General, do not consider for advertising, moved to Iron
already the month is flying. And on assurances of developers, there are many "bookmarks" Google cut.