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Why is it more efficient to store everything in individual k-v pairs? Hash tables are certainly more memory efficient, and the difference in CPU efficiency is s
by tabbyjabby 15y ago
Why is it more efficient to store everything in individual k-v pairs? Hash tables are certainly more memory efficient, and the difference in CPU efficiency is so slight as to be inconsequential.
- dickeytk 15y agodoh! I got it backwards. You are right that hashes are more efficient: http://redis.io/topics/memory-optimization http://redis.io/topics/memory-optimization However, for this particular problem, the docs do say: Don't use KEYS in your regular application code. If you're looking for a way to find keys in a subset of your keyspace, consider using sets. I wonder why they don't suggest hashes?
- tabbyjabby 15y agoBecause you might want to use sets to group any type of keys, including hashes.