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REDIS Benchmark on Amazon EC2, Slicehost and Rackspace Cloud

As you already probably know Redis is not a plain key-value store, actually it is a data structures server, supporting different kind of values. That is, you can't just set strings as values of keys. All the following data types are supported as values: Binary-safe strings, Lists of binary-safe strings, Sets of binary-safe strings, that are collection of unique unsorted elements. You can think at this as a Ruby hash where all the keys are set to the 'true' value, Sorted sets, similar to Sets but where every element is associated to a floating number score. The elements are taken sorted by score. You can think at this as Ruby hashes where the key is the element and the value is the score, but where elements are always taken in order without requiring a sorting operation. Read more

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