Name: Redis
Brand: Redis Ltd.
Availability: InStock

Question 1

What is Redis?

Accepted Answer

Redis is an open-source, in-memory data platform that provides ultra-low-latency data structures and services for real-time applications. It supports core data types (strings, hashes, lists, sets, sorted sets) and advanced capabilities via modules (RedisJSON, RediSearch, RedisTimeSeries, RedisBloom, RedisGraph and vector search). Redis can be deployed self-managed or via Redis Enterprise/Cloud for managed hosting, clustering, active-active geo-distribution, and enterprise features. Its combination of in-memory performance, rich data structures, persistence options (RDB/AOF), high-availability (Sentinel/Clustering), and module ecosystem makes it broadly useful for caching, messaging, analytics, and AI/agent memory workloads.

Question 2

How much does Redis cost?

Accepted Answer

Redis is a paid service with various pricing tiers.

Question 3

Who developed Redis?

Accepted Answer

Redis was developed by Redis Ltd.. Redis Ltd. (Redis) maintains the Redis open-source project and provides commercial products and managed services including Redis Enterprise and Redis Cloud, support, and an ecosystem of modules and client libraries.

Question 4

What are the key features of Redis?

Accepted Answer

Redis offers the following key features: In-Memory Data Structures: Provides native, high-performance support for strings, hashes, lists, sets, sorted sets, bitmaps, hyperloglogs and geospatial indexes for microsecond operations., Modules Ecosystem: Extensible via modules such as RedisJSON (document store), RediSearch (full-text and vector search), RedisTimeSeries, RedisBloom, RedisGraph, enabling advanced queries, indexing and vector similarity search., Streams and Pub/Sub: Native Pub/Sub and Redis Streams with consumer groups for real-time messaging, event streaming, durable queues and complex stream processing patterns., High Availability & Clustering: Built-in replication, Redis Sentinel for automated failover, and Redis Cluster for sharding and linear scalability across nodes., Persistence and Durability Options: Configurable persistence with RDB snapshots and AOF (append-only file) to balance durability and performance for different workloads., Low Latency & High Throughput: Single-threaded core optimized for in-memory operations achieving microsecond latency and high throughput for read/write-heavy workloads., Managed Enterprise Offerings: Redis Enterprise / Cloud provide managed hosting, auto-scaling, active-active geo-replication, backups, enterprise SLAs and commercial support., Broad Client and Language Support: Official and community clients across major languages (Python, Java, JavaScript/Node, Go, C#, etc.) and tooling for easy integration into applications., In-memory key-value data store with high throughput and low latency, Rich data structures: strings, lists, sets, sorted sets, hashes, streams, bitmaps, Modules and Redis Stack: JSON, TimeSeries, Bloom filters, Top-K, Cuckoo, Count-Min Sketch, t-digest, Redis Query Engine and vector/document query capabilities (vector search), Pub/Sub and Streams for messaging and real-time processing, High availability and clustering support (Sentinel, Cluster), Wide ecosystem of official and community clients (Go, Node.js, Python, Java, etc.), Tools and libraries for AI/agent scenarios (e.g., Redis Vector Library - RedisVL, MCP Server), Extensive documentation, build-from-source instructions and platform tooling, Support for cloud and enterprise deployments (Redis Cloud, Redis Enterprise).

Redis

Redis

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Redis Ltd.

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