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etcd vs MySQL

Side-by-side comparison of features, pricing, ratings, and alternatives.

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etcd
etcdDistributed key-value store for shared configuration and service discovery
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MySQL
MySQLThe world’s most popular open-source relational database.
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Overview
Description

etcd is a distributed key-value store that provides a reliable way to store and manage data across a cluster of machines. It is designed to be highly available and fault-tolerant, making it suitable for use in distributed systems and microservices architectures.

MySQL is a widely used open-source relational database that powers a huge portion of the web, known for speed, reliability, and broad hosting support. It remains a default for many web applications and CMSes.

Pricing
Free
Contact for Pricing

Free community edition; paid enterprise editions available.

Category
Databases
Databases
Best for
Developers and DevOps teams
Web developers
Specifications
Spec source
AI-estimated
AI-estimated
deployment
Self-hosted
Self-hosted
open source
Yes
Yes
github stars
52,002
—
api available
Yes
Yes
support options
Community support, Documentation
—
key integrations
Kubernetes, Docker, CoreOS
—
primary language
Go
—
platforms
—
Windows, Mac, Linux
Pros & Cons
Pros
  • Highly available and fault-tolerant
  • Simple and intuitive API
  • Supports watch functionality for real-time notifications
  • Provides a built-in command-line tool for interacting with the store
  • Extremely widely supported
  • Fast for reads
  • Huge community
  • Free community edition
Cons
  • Steep learning curve for distributed systems concepts
  • Requires careful configuration for optimal performance
  • Limited support for transactions and concurrency control
  • Fewer advanced features than Postgres
  • Licensing nuances (Oracle-owned)
  • Some prefer MariaDB fork
Community & Metrics
Upvotes
0
5
User rating
Not enough data
4.5 (4)

What reviewers say

etcd Reviews

No reviews yet.

MySQL Reviews

4.5 (4)
Anonymous

Great database

Tried MySQL recently. Extremely widely supported. Minor gripe: fewer advanced features than postgres. Would recommend.

Anonymous

Great database

Been using MySQL for a while. Huge community. No real complaints. Would recommend.

Anonymous

Solid choice

Been using MySQL for a while. Fast for reads. Minor gripe: some prefer mariadb fork. Would recommend.

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More alternatives & similar tools

Alternatives to etcd

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Redis
Redis

In-memory data store for caching and real-time apps.

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redis
redis

In-memory data store for real-time web applications

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Alternatives to MySQL

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PostgreSQL
PostgreSQL

The advanced open-source relational database.

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Supabase
Supabase

Postgres database for the modern web

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TiDB
TiDB

A cloud‑native, MySQL‑compatible distributed SQL database for massive scalability

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The Verdict

AI-generated from listing data

MySQL is the safer default open-source relational database for web developers needing fast reads and ubiquitous hosting support, whereas etcd is a free distributed key-value store built for DevOps teams managing shared configuration and service discovery.

Key differences

  • •MySQL is a relational database designed for web developers, while etcd is a distributed key-value store built for shared configuration and service discovery by developers and DevOps teams.
  • •MySQL offers a free community edition alongside paid enterprise editions, whereas etcd is completely free.
  • •etcd natively integrates with cloud-native tools like Kubernetes, Docker, and CoreOS, whereas MySQL features a massive relational database ecosystem with ubiquitous hosting support.
  • •MySQL has fewer advanced features than Postgres and Oracle-owned licensing nuances, whereas etcd has a steep learning curve for distributed systems and limited transaction support.
DimensionWinner

Pricing & value

MySQL offers a free community edition with paid enterprise options, while etcd is entirely free.

MySQL

Ease of use / learning curve

etcd provides a simple API and built-in CLI, but carries a steep learning curve for distributed systems concepts.

etcd

Features & depth

MySQL delivers fast relational storage, replication, and clustering, whereas etcd specializes in key-value storage and automatic leader election.

MySQL

Integrations & ecosystem

etcd directly integrates with Kubernetes, Docker, and CoreOS, whereas MySQL features a large ecosystem and ubiquitous hosting support.

etcd

Scalability

MySQL supports replication and clustering, while etcd provides high availability and fault tolerance via automatic leader election and failover.

MySQL

Support

MySQL offers paid enterprise editions alongside its community edition, whereas etcd relies strictly on community support and documentation.

MySQL

Security & privacy

etcd explicitly supports SSL/TLS encryption, authentication, and authorization, whereas MySQL's security features are not specified.

etcd

Choose etcd if…

DevOps teams requiring a distributed key-value store for cloud-native service discovery and configuration.

Choose MySQL if…

Web developers needing a widely supported, fast relational database for self-hosted applications.

Common questions

How do MySQL and etcd differ in pricing?

MySQL offers a free community edition with paid enterprise editions available upon request, whereas etcd is completely free.

What are the primary use cases for each tool?

MySQL is built for fast, reliable relational storage for web developers, while etcd is a distributed key-value store for shared configuration and service discovery.

Which platforms and deployment options do they support?

Both tools support self-hosted deployment and provide APIs, but MySQL specifically runs on Windows, Mac, and Linux.