DB-EngineseXtremeDB: 5 9's high availability databaseEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Cassandra vs. Redis vs. RethinkDB

System Properties Comparison Cassandra vs. Redis vs. RethinkDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonRedis  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.DBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelWide column storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistenceDocument store
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score119.18
Rank#10  Overall
#1  Wide column stores
Score151.86
Rank#7  Overall
#1  Key-value stores
Score4.23
Rank#78  Overall
#13  Document stores
Websitecassandra.apache.orgredis.iorethinkdb.com
Technical documentationcassandra.apache.org/­doc/­latestredis.io/­documentationrethinkdb.com/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookSalvatore Sanfilippo infoDevelopment sponsored by Redis LabsThe Linux Foundation infosince July 2017
Initial release200820092009
Current release3.11.8, August 20206.0.8, September 20202.4.0, December 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoBSD 3-Clause, commercial license availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ScaleGrid for Redis: Fully managed hosting for Redis on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageJavaCC++
Server operating systemsBSD
Linux
OS X
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Linux
OS X
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyes infostring, binary, float, bool, date, geometry
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infowith RediSearch moduleyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)nono
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
proprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresnoLua
TriggersyesnoClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Strong eventual consistency with CRDTs
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsOptimistic locking, atomic execution of commands blocks and scriptsAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the serveryes infoMVCC based
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess rights for users can be defined per objectSimple password-based access control infoAccess control lists and SSL are available in the commercial versionyes infousers and table-level permissions
More information provided by the system vendor
CassandraRedisRethinkDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» 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.

Related products and services
3rd partiesDBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more

Instaclustr: Hosted & Managed Apache Cassandra as a Service
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more
CData: Connect to Big Data & NoSQL through standard Drivers.
» more

Datadog: Monitor all Redis metrics: hit rates, clients, commands per second, and more.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CassandraRedisRethinkDB
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

MongoDB is the DBMS of the year, defending the title from last year
7 January 2015, Paul Andlinger, Matthias Gelbmann

show all

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

show all

Recent citations in the news

DataStax unveils Stargate project to turn Cassandra into a multi-model database
16 September 2020, ZDNet

Apache Cassandra finally gets an enterprise-grade index
9 September 2020, ZDNet

Cloudera adds operational database to cloud service
17 September 2020, ZDNet

Tag: Apache Cassandra
18 September 2020, The Daily Chronicle

Cassandra Gets an Indexing Upgrade
10 September 2020, Datanami

provided by Google News

Instaclustr Adds Support for Redis
16 September 2020, Database Trends and Applications

Redis Labs' RedisRaft Aims to Improve Database Consistency
4 September 2020, thenewstack.io

Redis Labs, Maker Of Database Software, Hits $1 Billion Valuation With New Fundraise
25 August 2020, Forbes

Redis Labs Raises $100M Series F Funding for Open Source Database
26 August 2020, Solutions Review

Anjuna Announces Support for Redis
15 September 2020, PRNewswire

provided by Google News

Open Source Software Market to Witness Astonishing Growth by 2026 | Intel, Epson, IBM and more
2 September 2020, The Daily Chronicle

COVID-19 Impact on Document Databases Software Market Insight and Outlook Report 2020 | MongoDB, Amazon, ArangoDB
19 September 2020, Verdant News

Global Open Source Software Market Size, Share and Forecast by 2025, Key Players- Intel, Epson, IBM, Transcend, Oracle, Acquia
9 September 2020, The Daily Chronicle

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

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

provided by Google News

Job opportunities

VP Engineering
HASH, Remote

Jr Application Developers
JSR Tech Consulting, Newark, NJ

Cassandra DBA
TELUS International, Pennsylvania

Data Engineer
Rackspace, Remote

Data Architect - Remote
SemanticBits LLC, Herndon, VA

MySQL Database Administrator
Updox, Remote

Software Engineering Intern - Summer 2021
Tailwind, Oklahoma City, OK

Product Manager: Database-as-a-Service (DBaaS)
Digital Ocean Jobs, Massachusetts

Database Administrator (DBA) MySQL
VirtualHealth, New York State

Developer
Toyota, Plano, TX

Junior Software Developer
Cellacore, Inc., Pensacola, FL

Full Stack Engineer
Showcase IDX, Remote

Lead Ruby Engineer
Showcase IDX, Remote

Java Software Engineer (Java 11, Spring, Spring Boot, Hibernate ORM)
Zscaler, Burlington, MA

Exciting Innovative Video Ecommerce Startup (remote available) | Data Scientist w/ ACR Experience | $120-150K
Ciright, Conshohocken, PA

jobs by Indeed




Share this page

Featured Products

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Datastax Astra logo

Cassandra made easy in the cloud. Build cloud-native applications faster with CQL, REST and GraphQL APIs.
Try for Free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Present your product here