Is it possible to take older tables, which are immutable, and move them from SSD to HDD?
We lower the SLA on older data so keeping it on HDD is totally fine. MySQL can *sort* of do this… and I think that Cassandra could if it was handled properly. Kevin -- Founder/CEO Spinn3r.com Location: *San Francisco, CA* blog: http://burtonator.wordpress.com … or check out my Google+ profile <https://plus.google.com/102718274791889610666/posts> <http://spinn3r.com>