In reply to http://www.zopyx.de/blog/goodbye-mongodb
I'm answering the questions as if I'm answering the blogger, no you. :)
First order of business. http://facility9.com/2010/09/five-reasons-to-use-nosql/
MongoDB was deisgned for massive scale data storage and the architecture does it very well. A design decision is not a flaw if you do not like how it behaves in