Timeline “dark launched” in July. This means that for the last five months, every time someone clicked on their profile, Facebook not only accessed its existing databases, it opened the Timeline databases for writes as well. In essence, Timeline was running under the covers, so the team could monitor loads, update code, check for bugs, and, yes, start storing the data.
via wired.com
Smidigt sätt att testa funktionalitet och systembelastning!