Memcached vs. MongoDB vs. Redis

System Properties Comparison Memcached vs. MongoDB vs. Redis

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Editorial information provided by DB-Engines
Name	Memcached  X	MongoDB  X	Redis  X
Description	In-memory key-value store, originally intended for caching	One of the most popular document stores	In-memory data structure store, used as database, cache and message broker
Database model	Key-value store	Document store	Key-value store
DB-Engines Ranking  Trend Chart	Score 29.96 Rank #24   Overall   #2   Key-value stores	Score 330.50 Rank #5   Overall   #1   Document stores	Score 121.90 Rank #9   Overall   #1   Key-value stores
Website	www.memcached.org	www.mongodb.com	redis.io
Technical documentation	github.com/­memcached/­memcached/­wiki	docs.mongodb.com/­manual	redis.io/­documentation
Purchase software		Buy it now at  MongoDB:  MongoDB Atlas Tackle IO:  MongoDB Community Edition The Globalsolutions:  MongoDB Cluster Powered by theGlobalSolutions Jetware:  MongoDB 3.4 Charming Cloud:  MongoDB 3.4 on Windows SVR 2016 + Charming Rebate
Developer	Danga Interactive	MongoDB, Inc	Salvatore Sanfilippo
Initial release	2003	2009	2009
Current release	1.5.0, July 2017	3.4.6, July 2017	4.0.1, July 2017
License	Open Source	Open Source	Open Source
Cloud-based	no	no	no
Implementation language	C	C++	C
Server operating systems	FreeBSD Linux OS X Unix Windows	Linux OS X Solaris Windows	BSD Linux OS X Windows
Data scheme	schema-free	schema-free	schema-free
Typing	no	yes	partial
XML support			no
Secondary indexes	no	yes	no
SQL	no	no	no
APIs and other access methods	Proprietary protocol	proprietary protocol using JSON	proprietary protocol
Supported programming languages	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml Perl PHP Python Ruby	Actionscript  C C# C++ Clojure  ColdFusion  D  Dart  Delphi  Erlang Go  Groovy  Haskell Java JavaScript Lisp  Lua  MatLab  Perl PHP PowerShell  Prolog  Python R  Ruby Scala Smalltalk	C C# C++ Clojure Crystal D Dart Elixir Erlang Fancy Go Haskell Haxe Java JavaScript (Node.js) Lisp Lua MatLab Objective-C OCaml  Perl PHP Prolog Pure Data Python R Rebol Ruby Rust Scala Scheme Smalltalk Tcl
Server-side scripts	no	JavaScript	Lua
Triggers	no	no	no
Partitioning methods	none	Sharding	Sharding
Replication methods	none	Master-slave replication	Master-slave replication
MapReduce	no	yes	no
Consistency concepts		Eventual Consistency Immediate Consistency	Eventual Consistency
Foreign keys	no	no	no
Transaction concepts	no	no	Optimistic locking, atomic execution of commands blocks and scripts
Concurrency	yes	yes	yes
Durability	no	yes	yes
In-memory capabilities		yes	yes
User concepts	yes	Access rights for users and roles	Simple password-based access control
More information provided by the system vendor
	Memcached	MongoDB	Redis
Specific characteristics		MongoDB is the next-generation database that helps businesses transform their industries... » more	Redis, benchmarked as the world’s fastest database, reduces application complexity,... » more
Competitive advantages		By offering the best of traditional databases as well as the flexibility, scale,... » more	Redis is an in-memory database platform offering native support of wide range of... » more
Typical application scenarios		Internet of Things (Bosch, Silver Spring Networks) Mobile (The Weather Channel, ADP,... » more	Redis powers personalization, real-time fraud detection, IoT, e-commerce, real-time... » more
Key customers		ADP, Adobe, AstraZeneca, BBVA, Bosch, Cisco, CERN, Department of Veteran Affairs,... » more	Verizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,... » more
Market metrics		20 million downloads (growing at thousands downloads per day). 2,000+ customers including... » more	Redis Labs serves over 60,000 customers globally and is consistently ranked as a... » more
Licensing and pricing models		MongoDB database server: Free Software Foundation’s GNU AGPL v3.0. Commercial licenses... » more	The licensing model is subscription based. Redis Enterprise Cloud is priced according... » more
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3rd party products and services
3rd parties		CData: Connect to Big Data & NoSQL through standard Drivers. » more Progress DataDirect: Data connectivity across standard SQL and REST » more Studio 3T: The world's favorite IDE for working with MongoDB » more	Redis Labs is the open source home and the provider of enterprise-class Redis. » more
We invite representatives of 3rd party vendors to contact us for presenting information about their offerings here.
More resources
	Memcached	MongoDB	Redis
DB-Engines blog posts	Redis extends the lead in the DB-Engines key-value store ranking 3 February 2014, Matthias Gelbmann New DB-Engines Ranking shows the popularity of database management systems 3 October 2012, Matthias Gelbmann, Paul Andlinger show all	PostgreSQL moves up one rank at the expense of MongoDB 1 September 2016, Paul Andlinger 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	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 Notable DBMS presentation: Yao Yu on how Redis is used at Twitter 25 September 2014, Matthias Gelbmann show all
Conferences and events more DBMS events		MongoDB Europe 2017 London, United Kingdom, 8 November 2017
Recent citations in the news	Why all the fuss over Cybersecurity? 29 August 2017, Digital Journal Pathetic patching leaves over 70000 Memcached servers still up for grabs 24 July 2017, The Register Memsniff：一个健壮的Memcached流量分析工具 - InfoQ 15 August 2017, InfoQ: 时刻关注企业软件开发领域的变化与创新 70000 Memcached Servers Can Be Hacked Using Eight-Month-Old Flaws 24 July 2017, Linux.com (blog) Accelerating Hadoop, Spark, and Memcached with HPC Technologies 31 March 2017, insideHPC provided by Google News	MongoDB quits Solaris, wants to work on an OS people actually use 29 August 2017, The Register Database provider MongoDB has filed confidentially for IPO 15 August 2017, TechCrunch Equity podcast: Uber's board mess, the Angry Birds IPO and ... 18 August 2017, TechCrunch Unicorn Startup MongoDB Just Filed for an IPO 16 August 2017, Inc.com Pssst, wanna know a secret? MongoDB has confidentially filed for IPO, reports suggest 16 August 2017, The Register provided by Google News	In-memory database provider Redis Labs raises $44M 21 August 2017, TechCrunch How to use Redis for real-time stream processing 2 August 2017, InfoWorld Goldman Sachs Leads Investment in Israeli Firm Redis Labs 22 August 2017, Haaretz Israeli Startup Redis Raises $44M - NoCamels 28 August 2017, Israeli Innovation News (press release) (blog) Database security issues shadow distributed data architectures 23 August 2017, TechTarget provided by Google News

from: https://db-engines.com/en/system/Memcached%3bMongoDB%3bRedis