One problem with memcached is that it is hard to take a backup of it. I love the product, but I also like my data to be a little safer than that. Using memcached in front of a database gives me the best of both worlds.

Another reason to use an RDBMS is that while your application may not take advantage of the relational structure, it is still there to be exported to and manipulated on reporting databases.

In reply to Re^2: RFC: OtoDB and rolling your own scalable datastore by tilly
in thread RFC: OtoDB and rolling your own scalable datastore by arbingersys

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