Redis is an open-source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. Redis provides data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes, 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 and automatic partitioning with Redis Cluster. You can run atomic operations on these types, like appending to a string; incrementing the value in a hash; pushing an element to a list; computing set intersection, union and difference; or getting the member with highest ranking in a sorted set. To achieve top performance, Redis works with an in-memory dataset. Depending on your use case, you can persist your data either by periodically dumping the dataset to disk or by appending each command to a disk-based log.

Features

  • Many different kind of values are supported
  • Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps, etc.
  • You can disable persistence if you just need a feature-rich, networked, in-memory cache
  • Redis supports asynchronous replication
  • Very fast non-blocking first synchronization, auto-reconnection with partial resynchronization on net split
  • Keys with a limited time-to-live

Project Samples

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Categories

Database

License

BSD License

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Additional Project Details

Operating Systems

Linux, BSD, Mac

Programming Language

C

Related Categories

C Database Software

Registered

2022-01-17