Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker(消息代理).
It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams.
Redis has
- built-in replication,
- Lua scripting,
- LRU eviction,
- transactions and
- different levels of on-disk persistence,
and provides high availability via Redis Sentinel(标记) and automatic partitioning(自动分区) with Redis Cluster. Learn more →