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And what are the pitfalls to avoid? Are there any deal breaks for you? E.g., I've heard that exporting/importing the Cassandra data is very difficult, making me wonder if that's going to hinder syncing production data to development environment.
BTW, it's very hard to find good tutorials on Cassandra, the only one I have http://arin.me/code/wtf-is-a-supercolumn-cassandra-data-model is still pretty basic.
Thanks.