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Aerospike vs Redis

Aerospike: Flash-optimized distributed key-value and document database for predictable sub-millisecond latency at scale. Redis: The in-memory data structure server that became the default cache, now with search, JSON and vectors built in.

key differences

  • Aerospike is built for larger datasets (Multi-PB) than Redis (≤ 10 TB).
  • Transactions: Aerospike offers full ACID; Redis offers limited.
  • Only Aerospike has change data capture, compression, encryption at rest, online schema changes.
  • Only Redis has full-text search, vector search, pub/sub, streaming ingest.

choose aerospike for

  • +Real-time bidding and ad-tech user profiles
  • +Fraud detection and payment authorization
  • +Online ML feature stores
  • +Telecom subscriber and session data

best at · OLTP, Cache, Sessions

choose redis for

  • +Application and database query caching
  • +Session storage and user tokens
  • +Rate limiting and distributed locks
  • +Leaderboards and counters

best at · Cache, Sessions, Queue

AerospikeFlash-optimized distributed key-value and document database for predictable sub-millisecond latency at scale.
RedisThe in-memory data structure server that became the default cache, now with search, JSON and vectors built in.
overview
Primary model
Key-Value
Key-Value
Also supports
Document, Spatial
Document, Vector, Time-Series, Search Engine
Type
Database engine
Database engine
Status
Active
Active
Developer
Aerospike, Inc.
Redis Ltd.
First release
2010
2009
Latest version
8.2.0 (Sep 29, 2026)
8.10.3 (Oct 26, 2026)
License
Open source (copyleft)AGPL-3.0 (Community Edition); commercial Enterprise Edition
Open source (copyleft)Tri-license: AGPLv3, RSALv2 or SSPLv1 (Redis 8+)
Free tier
✓
✓
popularity
WhichDB Score
40.4
84.3
Rank
#42
#2
GitHub stars
1.4K
77.1K
Stack Overflow questions
842
25.4K
scale & guarantees
Comfortable data size
Massive (Multi-PB)
Medium (≤ 10 TB)
Horizontal scaling
Native
Native
Multi-region
Active active
Active active
ACID
Full
Limited
Consistency
Tunable, Strong, Eventual
Eventual
Schema
Schemaless
Schemaless
Architecture
Distributed, In memory, Client server
In memory, Single node, Primary replica, Distributed, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
✓
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure
AWS, Google Cloud, Azure, DigitalOcean, Heroku, Render
capabilities
Transactions
✓
✓
Joins
—
—
Secondary indexes
✓
✓
Full-text search
—
✓
Vector search
—
✓
Geospatial
✓
✓
JSON
✓
✓
Change data capture
✓
—
Triggers
—
—
Stored procedures
✓
✓
Materialized views
—
—
TTL / expiry
✓
✓
Pub/Sub
—
✓
Columnar storage
—
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
✓
—
Encryption at rest
✓
—
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
✓
—
Streaming ingest
—
✓
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
Aerospike Expressions, AQL (CLI)
Redis commands (RESP), Lua, Redis Query Engine (FT.*)
Client languages
C, C#, Go, Java, JavaScript, Python, Rust
Python, Java, JavaScript, Go, C#, Rust, Ruby, PHP
Best for
OLTP, Cache, Sessions, Feature store
Cache, Sessions, Queue, Pub/Sub
Add more to this comparisonNot sure either fits? Try smart match

Aerospike vs Redis: FAQ

What is the difference between Aerospike and Redis?

Aerospike: Flash-optimized distributed key-value and document database for predictable sub-millisecond latency at scale. Redis: The in-memory data structure server that became the default cache, now with search, JSON and vectors built in. Aerospike is built for larger datasets (Multi-PB) than Redis (≤ 10 TB). Transactions: Aerospike offers full ACID; Redis offers limited. Only Aerospike has change data capture, compression, encryption at rest, online schema changes.

When should I choose Aerospike over Redis?

Choose Aerospike for real-time bidding and ad-tech user profiles; fraud detection and payment authorization; and online ML feature stores. Choose Redis for application and database query caching; session storage and user tokens; and rate limiting and distributed locks.

Is Aerospike or Redis more popular?

Redis ranks #2 on the WhichDB Score (84.3/100) and Aerospike ranks #42 (40.4/100). Popularity is not fit: check the requirements that matter for your project.

Are Aerospike and Redis open source?

Yes. Aerospike is open source. License: AGPL-3.0 (Community Edition); commercial Enterprise Edition. Yes. Redis is open source. License: Tri-license: AGPLv3, RSALv2 or SSPLv1 (Redis 8+).