Side by side

Aerospike Database vs etcd

Both stand on key-value databases. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Aerospike Database

Free plan Open source APILinuxMac+3

Aerospike Database offers multiple data models, storage choices, and replication modes in one engine. Check edition support and licensing notes for connectors and security features when assessing fit.

Visit Aerospike Database

etcd

Free plan APILinuxMac+2

etcd provides self-hosted distributed storage with watches, expiry and failure tolerance, and is central to Kubernetes. Operators should account for its platform tiers and enable security features when needed.

Visit etcd

The facts

	Aerospike Database	etcd
Free plan	Yes	Yes
Open source	Yes	Not published
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	API, Linux, Mac, Self-hosted, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	2	1
Maker	Aerospike Database	Not published
Website	aerospike.com	etcd.io
On key-value databases	#1 of 31	#5 of 31

Aerospike Database: what it does well

One engine supports three data models.
Aerospike 8 provides distributed ACID transactions.
Offers several memory and flash storage options.
Supports asynchronous and synchronous replication.
Client libraries are listed for multiple languages.

What to know first

No plan prices are listed.
Connectors require additional licensing.
Some enterprise security features require additional licensing.

etcd: what it does well

Strong consistency and Raft-based distribution.
Supports key watches and optional expiration.
Can tolerate leader-node failure.
Provides pre-built binaries, source builds and container images.
Apache 2.0 licensed and free.

What to know first

TLS and client-certificate authentication are off by default.
Linux is tier 1; Darwin and Windows are tier 3.
Third-party listed integrations are not maintained by the project.

Alternatives to Aerospike Database Alternatives to etcd The whole list