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York Tsai, http://about.me/yorktsai From LAMP to NoSQL

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What is Redis?

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REmote DIctionary Server Redistribute

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Memcache with rich data structure

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Why Redis?

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Our Database

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Performance

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http://www.ruturaj.net/redis-memcached-tokyo-tyrant-mysql- comparison

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http://antirez.com/post/redis-memcached-benchmark.html

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Rich Data Structure

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Well-Documented with Time-Complexity!!

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Zero-Configuration > Make

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Examples

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Cache a value

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Cache a value, DEL/EXPIRE a set redis > EXPIRE myhash 3600 (integer) 1 redis > DEL myhash (integer) 1

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List / Queue / Stack

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Sets

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Sorted Sets

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Real-World Examples

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Cache Statistics https://gist.github.com/1272511

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Cache X Recent Records https://gist.github.com/1272508

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When not to Use Redis?

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If your data cannot fit into memory. (MMap is no longer supported after 2.6)

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Frequently Asked Questions

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Multi-core? Open multiple instances

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Persistence? Append-only Files (Or Snapshot)

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Replication? Master-Slave

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Transaction? MULTI / EXEC + WATCH

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Not in this talk ● Pub/Sub (publish / subscribe) ● Redis Cluster (Incoming)

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Thank You!