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Cool idea, I believe aeorspike uses ssd's for key value store like this. Check out http://www.aerospike.com/performance/architecture/ .

yep. Aerospike definitely had the first implementation of this kind of ssd-based architecture I'd heard of. Use ram only for hot caching and metadata. Use ssd's with custom filesystems for persistent storage. It's a good idea.

It's too bad most cloud providers consider SSD disks to be a 'premium' feature. I guess this would work fine on custom-configured hardware at places like softlayer and serverbeach.

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