hedis: Client library for the Redis datastore: supports full command set, pipelining.
Redis is an open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. This library is a Haskell client for the Redis datastore. Compared to other Haskell client libraries it has some advantages:
- Compatibility with Latest Stable Redis:
- Hedis is intended to be used with the latest stable version of Redis (currently 5.0). Most redis commands (http://redis.io/commands) are available as haskell functions, although MONITOR and SYNC are intentionally omitted. Additionally, a low-level API is exposed that makes it easy for the library user to implement further commands, such as new commands from an experimental Redis version.
- Automatic Optimal Pipelining:
- Commands are pipelined (http://redis.io/topics/pipelining) as much as possible without any work by the user. See http://informatikr.com/2012/redis-pipelining.html for a technical explanation of automatic optimal pipelining.
- Enforced Pub/Sub semantics:
- When subscribed to the Redis Pub/Sub server (http://redis.io/topics/pubsub), clients are not allowed to issue commands other than subscribing to or unsubscribing from channels. This library uses the type system to enforce the correct behavior.
- Connect via TCP or Unix Domain Socket:
- TCP sockets are the default way to connect to a Redis server. For connections to a server on the same machine, Unix domain sockets offer higher performance than the standard TCP connection.
For detailed documentation, see the Database.Redis module.
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