Dragonfly vs KeyDB: Head-to-Head Comparison

Quick Verdict

Dragonfly is the better pick for high-throughput caching on large machines. KeyDB is the better pick for Redis users wanting multithreading.

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At a Glance

Feature	Dragonfly	KeyDB
Best For	High-throughput caching on large machines	Redis users wanting multithreading
Pricing	Free community edition; paid cloud	Free and open source
Free to Start	Yes	Yes
License	Source-available	Open source
Deployment	Self-hosted or managed cloud	Self-hosted
Link	Visit Dragonfly	Visit KeyDB

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Detailed Breakdown

Dragonfly

Multithreaded Redis- and Memcached-compatible store

Pros:

• Multithreaded architecture
• Redis and Memcached API compatibility
• Efficient memory use

Cons:

• BSL license
• Not every Redis command is supported

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KeyDB

Multithreaded fork of Redis maintained by Snap

Pros:

• Multithreaded
• Active-active replication
• Redis compatible

Cons:

• Development has slowed
• Smaller community

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Key Differences

• Positioning: Dragonfly — multithreaded Redis- and Memcached-compatible store. KeyDB — multithreaded fork of Redis maintained by Snap.
• Licensing differs: Dragonfly is source-available while KeyDB is open source.
• Deployment: Dragonfly — self-hosted or managed cloud. KeyDB — self-hosted.
• Pricing: Dragonfly — free community edition; paid cloud. KeyDB — free and open source.
• Signature strength: Dragonfly — multithreaded architecture. KeyDB — multithreaded.

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Frequently Asked Questions

Is Dragonfly better than KeyDB?

It depends on your requirements. Dragonfly is a strong fit for high-throughput caching on large machines, while KeyDB suits Redis users wanting multithreading.

Is Dragonfly free to use?

Yes, you can start with Dragonfly for free. Pricing model: Free community edition; paid cloud.

Is KeyDB free to use?

Yes, you can start with KeyDB for free. Pricing model: Free and open source.

Can I self-host Dragonfly or KeyDB?

Dragonfly can be self-hosted. Deployment options: self-hosted or managed cloud. KeyDB can be self-hosted. Deployment options: self-hosted.

What are the main drawbacks of Dragonfly and KeyDB?

Dragonfly: BSL license; not every Redis command is supported. KeyDB: development has slowed; smaller community.