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RediSearch is a Redis module that provides querying, secondary indexing, and full-text search for Redis. To use RediSearch, you first declare indexes on your Redis data. You can then use the RediSearch query language to query that data. RediSearch uses compressed, inverted indexes for fast indexing with a low memory footprint. RediSearch indexes enhance Redis by providing exact-phrase matching, fuzzy search, and numeric filtering, among many other features. Getting startedIf you're just getting started with RediSearch, check out the official RediSearch tutorial. Also, consider viewing our RediSearch video explainer. The fastest way to get up and running with RediSearch is by using the Redis Stack Docker image. Trying RediSearchTo try RediSearch, either use the RediSearch Docker image, or create a free Redis Cloud Essentials account to get a RediSearch instance in the cloud. Docker imageThe Redis Stack Docker image makes it easy to try RediSearch. To create a local RediSearch container, run: $ docker run -p 6379:6379 redis/redis-stack-server:latestTo connect to this instance, run: $ redis-cli DocumentationThe RediSearch documentation provides a complete overview of RediSearch. Helpful sections include: The RediSearch quick start The RediSearch command reference References on features such as aggregations, highlights, stemming, and spelling correction. Mailing list and forumGot questions? Join us in #redisearch on the Redis Discord server. If you have a more detailed question, drop us a line on the RediSearch Discussion Forum. Client librariesYou can use any standard Redis client library to run RediSearch commands, but it's easiest to use a library that wraps the RediSearch API. Project Language License Author Stars Comment jedis Java MIT Redis
redis-py
Python
MIT
Redis
node-redis
Node.js
MIT
Redis
nredisstack
.NET
MIT
Redis
redis-om
Python
BSD
Redis
lettusearch
Java
Apache 2.0
Redis
spring-redisearch
Java
Apache 2.0
Redis
redis-om-spring
Java
BSD
Redis
redisearch-go
Go
BSD
Redis
rueidis
Go
Apache 2.0
Rueian
Redis-om
JavaScript
BSD
Redis
Redis.OM
.NET
BSD
Redis
redisearch-php
PHP
MIT
Ethan Hann
php-redisearch
PHP
MIT MacFJA
MIT
redisearch-api-rs
Rust
BSD
Redis
redi_search_rails
Ruby
MIT
Dmitry Polyakovsky
redisearch-rb
Ruby
MIT
Victor Ruiz
redi_search
Ruby
MIT
Nick Pezza
RediSearch features
Full-Text indexing of multiple fields in Redis hashes
Incremental indexing without performance loss
Document ranking (using tf-idf, with optional user-provided weights)
Field weighting
Complex boolean queries with AND, OR, and NOT operators
Prefix matching, fuzzy matching, and exact-phrase queries
Support for double-metaphone phonetic matching
Auto-complete suggestions (with fuzzy prefix suggestions)
Stemming-based query expansion in many languages (using Snowball)
Support for Chinese-language tokenization and querying (using Friso)
Numeric filters and ranges
Geospatial searches using Redis geospatial indexing
A powerful aggregations engine
Supports for all utf-8 encoded text
Retrieve full documents, selected fields, or only the document IDs
Sorting results (for example, by creation date)
Cluster support
RediSearch has a distributed cluster version that scales to billions of documents across hundreds of servers. At the moment, distributed RediSearch is available as part of Redis Enterprise Cloud and Redis Enterprise Software. See RediSearch on Redis Enterprise for more information. LicenseRediSearch is licensed under the Redis Source Available License 2.0 (RSALv2) or the Server Side Public License v1 (SSPLv1). |
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