Comparison

Hazelcast 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
Hazelcast49
RocksDB61
Score
Vioscale score
Hazelcast49 / 100medium · 56%
RocksDB61 / 100low · 48%
Pricing
Free tier
Hazelcast
RocksDB
Model
Hazelcastcommercial
Price level
Hazelcastunknown
RocksDBfree
Transparent
Hazelcast
RocksDB
Integrations
Count
Hazelcast1
RocksDB
Reliability
Status page
Hazelcast
RocksDB
Adoption
Dependent repos
Hazelcast10,433
RocksDB2,684
Github stars
Hazelcast6,604
RocksDB32,011
Package downloads weekly
Hazelcast4,717
RocksDB1,832
Activity
Commits last 30d
Hazelcast71
RocksDB72
Release
Cadence days
Hazelcast15
RocksDB21
History
Hazelcast20 items
RocksDB20 items
License
Spdx
HazelcastApache-2.0
RocksDBGPL-2.0
Language
Primary
HazelcastJava
RocksDBC++

Capabilities

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

Storage
Storage tier
HazelcastIn-memory
RocksDBPersistent
Persistence
Hazelcast-
RocksDBAppend-only log
Data structures
Hazelcast-
RocksDBKV-only
Protocol
Wire protocol
HazelcastCustom
RocksDB-
Distribution
Clustering
HazelcastReplicated
RocksDBSingle-node
Consistency
Hazelcast-
RocksDBStrong
Ops
Eviction / TTL policies
Hazelcast-
RocksDB-
Multi-threaded
Hazelcast-
RocksDB
Pub/Sub / streams
Hazelcast-
RocksDB-
Transactions / atomic ops
Hazelcast-
RocksDB-
Deployment
Deployment
HazelcastSelf-hosted
RocksDBEmbedded
Licensing
Licence class
Hazelcast-
RocksDBCopyleft
Compatibility
Redis API compatibility
Hazelcast-
RocksDB-

What each one is

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

Hazelcast

Hazelcast is a distributed data platform that provides real-time processing and continuous intelligence capabilities. It supports clustering and integrates with various frameworks and clients.

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.

Hazelcast

Quote-based
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
Hazelcast
RocksDB
CLI
Hazelcast
RocksDB
Deployment
Cloud / SaaS
Hazelcast
RocksDB
Self-hosted
Hazelcast
RocksDB
On-premise
Hazelcast
RocksDB

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Hazelcast

2 total
  • Spring Integration
  • MongoDB
Independently observed

RocksDB

Leader

Not documented yet.

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