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by sehugg 5381 days ago
Yes, it is, but I think they serve different purposes. I'd use Redis for short-to-medium lifetime data that has high transaction rates. I'd use SQL for medium-to-long term data with lower transaction rates. We use both.

Redis does what it does well -- make great use of the CPU and the memory on a single box. SQL keeps your data consistent long-term and makes it easy to do ad-hoc queries.