A comparison of distributed architectures

CockroachDB vs Amazon Aurora

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Why CockroachDB over Amazon Aurora?

Unlimited Write Scale

CockroachDB allows you to scale both reads and writes with every endpoint accepting all transactions

Global Data

CockroachDB provides simple DDL that allows you to define where data will live across multiple regions

Multi-region Scale

CockroachDB delivers an automated, simple and resource efficient database that can can span regions and clouds

It’s all about scale

CockroachDB fundamentally reimagined what a database could be, so you could survive failures across regions and scale both reads and writes as far as you need.

Availability

AWS only

All public clouds, on-prem and local

Architecture

Single write node in one data center, then sync data across regions for distributed reads

Architected to span globally distributed data centers, yet still valuable in single data center

Replication

Replication of data at storage layer; replication across regions is the complete storage layer

Intelligent replication uses RAFT to place data and efficiently utilize storage and compute

Writes

Single node writes causes bottlenecks (multimaster limited)

Every node is a gateway to the entirety of the database for unlimited reads and writes in any region

Multi-region Writes

Not possible

Native, all nodes can accept reads and writes even across regions

Data Residency

No ability to tie data to a location

Tie data to a node to optimize performance or comply with data regulations

Transactional Consistency

Configurable within single region

Serializable, guaranteed consistent

Ideal Use Case

Single-region applications that will not scale and are tied to AWS

Single-region or multiple-region applications that may need to scale and want the freedom to run in any cloud

Pricing

A-la-carte pricing for IOPS/storage, backups are additional costs & cross-region replication incurs egress cost

Simple, straightforward pricing, plus the ability to tie data to a location to avoid egress costs

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Databases and platform freedom

CockroachDB is architected to give you the freedom to deploy your database anywhere, on any cloud. Use the best solution for your workloads and still gain value from any cloud provider.

Freedom from Lock-In

Make smart use of your existing resources with CockroachDB’s hybrid-cloud capabilities. AWS Aurora won’t let you deploy in a hybrid environment

Freedom of Choice

Pick any (or multiple) providers and run self-deployed or as-a-service. Because no one should have to be locked into a single provider

Freedom to Grow

Effortlessly scale and take control of your workloads. Avoid the significant egress costs often seen when moving data with AWS Aurora

Related resources

Cloud Database Architecture | CockroachDB vs. Amazon Aurora

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