System Properties Comparison Memcached vs. MongoDB vs. Redis

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Editorial information provided by DB-EnginesNameMemcached  XMongoDB  XRedis  XDescriptionIn-memory key-value store, originally intended for cachingOne of the most popular document storesIn-memory data structure store, used as database, cache and message broker Database modelKey-value storeDocument storeKey-value store  DB-Engines Ranking Trend Chart Score29.96Rank#24  Overall #2  Key-value stores Score330.50Rank#5  Overall #1  Document stores Score121.90Rank#9  Overall #1  Key-value stores Websitewww.memcached.orgwww.mongodb.comredis.ioTechnical documentationgithub.com/­memcached/­memcached/­wikidocs.mongodb.com/­manualredis.io/­documentationPurchase software 

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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  DeveloperDanga Interactive MongoDB, IncSalvatore Sanfilippo Initial release200320092009Current release1.5.0, July 20173.4.6, July 20174.0.1, July 2017License Open Source Open Source Open Source Cloud-based nononoImplementation languageCC++CServer operating systemsFreeBSD Linux OS X Unix WindowsLinux OS X Solaris WindowsBSD Linux OS X Windows Data schemeschema-freeschema-free schema-freeTyping noyes partial XML support   noSecondary indexesnoyesnoSQL nononoAPIs and other access methodsProprietary protocolproprietary protocol using JSONproprietary protocol Supported programming languages.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml Perl PHP Python RubyActionscript  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 TclServer-side scripts noJavaScriptLuaTriggersnononoPartitioning methods noneShardingShardingReplication methods none Master-slave replicationMaster-slave replication MapReduce noyesnoConsistency concepts  Eventual Consistency Immediate Consistency Eventual ConsistencyForeign keys nono noTransaction concepts nono Optimistic locking, atomic execution of commands blocks and scriptsConcurrency yesyesyes Durability noyes yes In-memory capabilities  yes yesUser concepts yes Access rights for users and rolesSimple password-based access control More information provided by the system vendor MemcachedMongoDBRedisSpecific characteristics MongoDB is the next-generation database that helps businesses transform their industries... » moreRedis, benchmarked as the world’s fastest database, reduces application complexity,... » moreCompetitive advantages By offering the best of traditional databases as well as the flexibility, scale,... » moreRedis is an in-memory database platform offering native support of wide range of... » moreTypical application scenarios Internet of Things (Bosch, Silver Spring Networks) Mobile (The Weather Channel, ADP,... » moreRedis powers personalization, real-time fraud detection, IoT, e-commerce, real-time... » moreKey customers ADP, Adobe, AstraZeneca, BBVA, Bosch, Cisco, CERN, Department of Veteran Affairs,... » moreVerizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,... » moreMarket metrics 20 million downloads (growing at thousands downloads per day). 2,000+ customers including... » moreRedis Labs serves over 60,000 customers globally and is consistently ranked as a... » moreLicensing and pricing models MongoDB database server: Free Software Foundation’s GNU AGPL v3.0. Commercial licenses... » moreThe licensing model is subscription based. Redis Enterprise Cloud is priced according... » more

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3rd party products and services3rd 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 » moreRedis Labs is the open source home and the provider of enterprise-class Redis. » more

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More resources MemcachedMongoDBRedisDB-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

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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

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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

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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

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from: https://db-engines.com/en/system/Memcached;MongoDB;Redis