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15 lines
682 B
Plaintext
15 lines
682 B
Plaintext
Redis is a key-value database. It is similar to memcached but the
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dataset is not volatile, and values can be strings, exactly like in
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memcached, but also lists and sets with atomic operations to push/pop
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elements.
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In order to be very fast but at the same time persistent the whole
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dataset is taken in memory and from time to time and/or when a number of
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changes to the dataset are performed it is written asynchronously on
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disk. You may lost the last few queries that is acceptable in many
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applications but it is as fast as an in memory DB (Redis supports
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non-blocking master-slave replication in order to solve this problem by
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redundancy).
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WWW: http://code.google.com/p/redis/
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