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DBMS > Memcached vs. Redis

System Properties Comparison Memcached vs. Redis

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Our visitors often compare Memcached and Redis with Ehcache, NCache and Hazelcast.

Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonRedis  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingIn-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.
Primary database modelKey-value storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search Engines infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score29.75
Rank#24  Overall
#3  Key-value stores
Score144.17
Rank#7  Overall
#1  Key-value stores
Websitewww.memcached.orgredis.io
Technical documentationgithub.com/­memcached/­memcached/­wikiredis.io/­documentation
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSalvatore Sanfilippo infoDevelopment sponsored by Redis Labs
Initial release20032009
Current release1.5.11, October 20185.0.1, November 2018
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoBSD 3-Clause, commercial license available
Cloud-based only infoOnly available as a cloud servicenono
Implementation languageCC
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datenopartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
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.no
Secondary indexesnoyes infowith RediSearch module
SQL infoSupport of SQLnono
APIs and other access methodsProprietary protocolproprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
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
Server-side scripts infoStored proceduresnoLua
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityMaster-slave replication infoChained replication is supported
Multi-master replication infowith Redis Enterprise Pack
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemStrong eventual consistency with CRDTs
Eventual Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoOptimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the server
Durability infoSupport for making data persistentnoyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolSimple password-based access control infoAccess control lists and SSL are available in the commercial version
More information provided by the system vendor
MemcachedRedis
Specific characteristicsRedis, benchmarked as the world’s fastest database, reduces application complexity,...
» more
Competitive advantagesRedis is an in-memory database platform offering native support of wide range of...
» more
Typical application scenariosRedis powers personalization, real-time fraud detection, IoT, e-commerce, real-time...
» more
Key customersVerizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
» more
Market metricsRedis Labs serves over 60,000 customers globally and is consistently ranked as a...
» more
Licensing and pricing modelsThe licensing model is subscription based. Redis Enterprise Cloud is priced according...
» 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 partiesAlibaba Cloud - ApsaraDB for Redis: A Key-Value Database Service that offers In-memory Caching and High-speed Access to Applications hosted on the Cloud.
» more

ScaleGrid: Deploy, monitor, backup and scale Redis in the cloud with the #1 Database-as-a-Service (DBaaS) platform.
» more

Redis Labs is the open source home and the provider of enterprise-class Redis.
» more

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

Amazon DynamoDB: fully managed nonrelational database for any scale. Advertisement
» more

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

More resources
MemcachedRedis
DB-Engines blog posts

Redis extends the lead in the DB-Engines key-value store ranking
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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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