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  <pre tabindex="0">redis&gt; PING
"PONG"
redis&gt; HSET user:1 name antirez vocation artist
(integer) 2
redis&gt; SET e 2.71
"OK"
redis&gt; INCRBYFLOAT e 0.43
"3.14"
redis&gt; RENAME e pi
"OK"
</pre>
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Text Content

Get started Get started Docs
Redis Get started Data types Redis CLI Redis clients Persistence Scaling
Redis Stack Get started Stack clients RedisInsight JSON Search Probabilistic
Docs Redis Get started Data types Redis CLI Redis clients Persistence Scaling

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Redis Stack Get started Stack clients RedisInsight JSON Search Probabilistic

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REDIS

The open source, in-memory data store used by millions of developers as a
database, cache, streaming engine, and message broker.

Get Started Read the docs

redis> PING
"PONG"
redis> HSET user:1 name antirez vocation artist
(integer) 2
redis> SET e 2.71
"OK"
redis> INCRBYFLOAT e 0.43
"3.14"
redis> RENAME e pi
"OK"


redis>


A VIBRANT, OPEN SOURCE DATABASE

Voted the most-loved database for 5 years running, Redis is at the center of an
engaged community of developers, architects, and open source contributors.

 * 4B+ Docker pulls
 * 50K+ Github stars
 * 50+ Supported programing languages


CORE CAPABILITIES


 * IN-MEMORY DATA STRUCTURES
   
   Well-known as a "data structure server", with support for strings, hashes,
   lists, sets, sorted sets, streams, and more.
   
   Learn more →


 * PROGRAMMABILITY
   
   Server-side scripting with Lua and server-side stored procedures with Redis
   Functions.
   
   Learn more →


 * EXTENSIBILITY
   
   A module API for building custom extensions to Redis in C, C++, and Rust.
   
   Learn more →


 * PERSISTENCE
   
   Keeps the dataset in memory for fast access, but can also persist all writes
   to permanent storage to survive reboots and system failures.
   
   Learn more →


 * CLUSTERING
   
   Horizontal scalability with hash-based sharding, scaling to millions of nodes
   with automatic re-partitioning when growing the cluster.
   
   Learn more →


 * HIGH AVAILABILITY
   
   Replication with automatic failover for both standalone and clustered
   deployments.
   
   Learn more →


USE CASES


 * REAL-TIME DATA STORE
   
   Redis' versatile in-memory data structures enable building data
   infrastructure for real-time applications that require low latency and
   high-throughput.


 * CACHING & SESSION STORAGE
   
   Redis' speed makes it ideal for caching database queries, complex
   computations, API calls, and session state.


 * STREAMING & MESSAGING
   
   The stream data type enables high-rate data ingestion, messaging, event
   sourcing, and notifications.


REDIS STACK

Redis Stack extends Redis with modern data models and processing engines to
provide a complete developer experience. Download the source, install using your
favorite package manager, or spin it up for free in the cloud.

 * Canvas 1Layer 1
   
   Redis Stack Server lets you build applications with searchable JSON and time
   series data models, and extended probabilistic data structures.

 * Get productive quickly with the Redis Stack object mapping and client
   libraries.

 * Visualize and optimize your Redis data with RedisInsight.

Download Stack Learn more


REDIS STACK USE CASES


 * SEARCHABLE REDIS
   
   Index and query Redis data structures and data models; run complex
   aggregations and full-text search on your Redis data.


 * DOCUMENT DATABASE
   
   Model domain entirely in Redis, and query your JSON data efficiently without
   ever having to use a cache.


 * TELEMETRY
   
   Ingest continuous readings from devices in the field, storing as time series
   data or analyzing and deduplicating with probabilistic data structures.


 * IDENTITY AND RESOURCE MANAGEMENT
   
   Define digital resources and ACLs as a graph, and compute permissions in
   real-time with a single Cypher query.


 * VECTOR SIMILARITY SEARCH
   
   Query vector embeddings to power images search, recommendation engines, and
   natural language text processing.


 * FRAUD DETECTION
   
   All the tools to detect fraud in real time, probabilistic queries, vector
   search, and even processing using streams.


GET STARTED


 * PREPARATION
   
   Install & launch Redis → Learn the Redis CLI →


 * COUNTDOWN
   
   Experiment with Redis data structures → Explore Redis clients →


 * LIFTOFF
   
   See Redis programming patterns → Join to the community →

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