Comparison

KeyDB vs RocksDB

On the evidence we track, RocksDB leads this comparison with a composite score of 61/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
KeyDB35
RocksDB61
Score
Vioscale score
KeyDB35 / 100low · 46%
RocksDB61 / 100low · 48%
Pricing
Free tier
KeyDB
RocksDB
Model
Price level
KeyDBfree
RocksDBfree
Transparent
KeyDB
RocksDB
Reliability
Status page
KeyDB
RocksDB
Adoption
Dependent repos
KeyDB0
RocksDB2,684
Github stars
KeyDB12,509
RocksDB32,011
Package downloads weekly
KeyDB
RocksDB1,832
Activity
Commits last 30d
KeyDB0
RocksDB72
Release
Cadence days
KeyDB53
RocksDB21
History
RocksDB20 items
License
Spdx
Language
Primary
KeyDBC++
RocksDBC++
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for key-value stores. “-” means undocumented, not absent.

Storage
Storage tier
KeyDBIn-memory
RocksDBPersistent
Persistence
KeyDBFully durable
RocksDBAppend-only log
Data structures
KeyDBRich types
RocksDBKV-only
Protocol
Wire protocol
KeyDBRESP (Redis)
RocksDB-
Distribution
Clustering
KeyDBSharded
RocksDBSingle-node
Consistency
KeyDBStrong
RocksDBStrong
Ops
Eviction / TTL policies
KeyDB
RocksDB-
Multi-threaded
KeyDB
RocksDB
Pub/Sub / streams
KeyDB
RocksDB-
Transactions / atomic ops
KeyDBMULTI-EXEC
RocksDB-
Deployment
Deployment
KeyDBSelf-hosted
RocksDBEmbedded
Licensing
Licence class
KeyDBPermissive OSS
RocksDBCopyleft
Compatibility
Redis API compatibility
KeyDBFull
RocksDB-

What each one is

The product in its own terms, so the numbers below have context.

KeyDB

KeyDB is an open-source database that offers significantly higher performance than Redis through multithreading while maintaining full Redis protocol compatibility. It includes advanced features like active replication, FLASH storage, and MVCC architecture for non-blocking queries.

Independently observed

RocksDB

Leader

An embeddable C++ database library optimized for high-performance storage and retrieval on flash drives and RAM, supporting workloads from application caching to multi-terabyte data storage with configurable write and read performance tradeoffs.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

KeyDB

Open sourceFree tier
as of verify ↗

RocksDB

Leader
Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Linux
KeyDB
RocksDB
CLI
KeyDB
RocksDB
Deployment
Self-hosted
KeyDB
RocksDB

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.