In plain English: sharding without considering the long term consequences is dangerous. Think twice before sharding, especially if you’re considering it before all else. In fact, if you do find yourself considering sharding at the outset, then perhaps you should be looking at a NoSQL alternative to the relational model.
NoSQL databases solution to this is… sharding.
Original title and link for this post: Think Twice Before Sharding (published on the NoSQL blog: myNoSQL)