On: NoSQL databases benchmark: Cassandra, HBase, Mongo...

[taligent]

Almost all NoSQL databases are open source and free for multiple datacenter usage.

And they are all just as easy to manage and backup as everything else. They all have their problems and issues.

[bonzoesc → taligent]

How do I back up a 20-node Riak cluster as easily as a Postgres cluster of any size?

Disclosure: I work for Basho, makers of Riak.