Maximum Number Of Files Dropbox Can Handle: 300,000. After that it's Dropbox Apocalypse.
Adam Rifkin stashed this in Dropbox
David Burroughs, Yahoo's former head of ad tech, writes on Medium:
As time went on, I ignored the security gossip and really committed, I put everything into that folder, safe in the knowledge it was all going to seamlessly work. But the more I stored in my Dropbox, the more problems I had.
At first there was few mis-syncs, a few stuck files and a bit of “Dropbox: 129%” utilisation in Activity Monitor, but over the last few months it’s got really bad. Dropbox hangs with a full core being utilised for hours. New syncs don’t finish at all. Time to talk to support…