DBMS > CockroachDB vs. RethinkDB vs. TerarkDB

System Properties Comparison CockroachDB vs. RethinkDB vs. TerarkDB

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Editorial information provided by DB-Engines

Name

Description

CockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.

DBMS for the Web with a mechanism to push updated query results to applications in realtime.

A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB

Primary database model

Relational DBMS

Document store

Key-value store

Secondary database models

Spatial DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	7.85
Rank	#57	Overall
	#33	Relational DBMS

Score	3.09
Rank	#99	Overall
	#19	Document stores

Score	0.00
Rank	#354	Overall
	#54	Key-value stores

Website

www.cockroachlabs.com

rethinkdb.com

github.com/Terark/terarkdb

Technical documentation

www.cockroachlabs.com/docs

rethinkdb.com/docs

github.com/Terark/terarkdb/wiki

Developer

Cockroach Labs

The Linux Foundation

since July 2017

Terark

Initial release

2015

2009

2016

Current release

21.1.2, June 2021

2.4.1, August 2020

License

Commercial or Open Source

Open Source

Apache 2.0, commercial license available

Open Source

Apache Version 2

commercial

restricted open source version available

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

CockroachDB: A cloud-native, distributed SQL database designed for speed, scale, and survival. Get started for free today with a fully-managed CockroachDB cluster -- leave operations behind and get your app to market faster.

Implementation language

C++

Server operating systems

Linux
macOS
Windows

Linux
OS X
Windows

Data scheme

dynamic schema

schema-free

Typing

predefined data types such as float or date

yes

string, binary, float, bool, date, geometry

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

yes, wire compatible with PostgreSQL

APIs and other access methods

JDBC

C++ API
Java API

Supported programming languages

C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust

community-supported driver
C#

community-supported driver
C++

community-supported driver
Clojure

community-supported driver
Dart

community-supported driver
Erlang

community-supported driver
Go

community-supported driver
Haskell

community-supported driver
Java

official driver
JavaScript (Node.js)

official driver
Lisp

community-supported driver
Lua

community-supported driver
Objective-C

community-supported driver
Perl

community-supported driver
PHP

community-supported driver
Python

official driver
Ruby

official driver
Scala

community-supported driver

C++
Java

Server-side scripts

Stored procedures

Triggers

Client-side triggers through changefeeds

Partitioning methods

Methods for storing different data on different nodes

horizontal partitioning (by key range)

all tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFT

Sharding

range based

none

Replication methods

Methods for redundantly storing data on multiple nodes

Multi-source replication using RAFT

Source-replica replication

none

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Atomic single-document operations

Concurrency

Support for concurrent manipulation of data

yes

MVCC based

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

Role-based access control

yes

users and table-level permissions

More information provided by the system vendor

Specific characteristics

CockroachDB is a cloud-native, distributed SQL database architected for modern applications....
» more

Competitive advantages

- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more

Typical application scenarios

System of record (financial ledger, inventory management, transaction record), identity...
» more

Key customers

Comcast, DoorDash, Mythical Games, Norfolk Southern, LUSH, Bose, Shipt, MyDoc, Bitski,...
» more

Market metrics

8K+ long-running clusters 2.5K+ CockroachDB Self-Hosted clusters 15K+ CockroachDB...
» more

Licensing and pricing models

- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources

DB-Engines blog posts

Meet some database management systems you are likely to hear more about in the future
4 August 2014, Paul Andlinger

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Recent citations in the news

O'Reilly Launches New Book: CockroachDB the Definitive Guide
10 May 2022, PR Newswire

How to deploy a CockroachDB Cluster with Ubuntu Server 20.04
20 April 2022, TechRepublic

CockroachDB: The Definitive Guide
15 May 2022, Database Trends and Applications

How to deploy a CockroachDB cluster in secure mode
27 April 2022, TechRepublic

Leading Distributed Database Company, Cockroach Labs Expands into EMEA
27 April 2022, PR Newswire

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11 May 2022, Queen Anne and Mangolia News

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2 February 2022, Linux Shout

RethinkDB is dead, and MongoDB isn’t what killed it
24 January 2017, TechRepublic

How to Use RethinkDB with Node.js Applications
16 December 2015, SitePoint

Build real-time Web apps with RethinkDB
1 September 2015, InfoWorld

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Understand NVMe 2.0 specification and its related features
4 January 2022, TechTarget

ByteDance eyes big data push with Terark acquisition EJINSIGHT - ejinsight.com
30 April 2019, EJ Insight

provided by Google News

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