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DBMS > Memcached vs. Redis vs. TerminusDB

System Properties Comparison Memcached vs. Redis vs. TerminusDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonRedis  Xexclude from comparisonTerminusDB infoformer name was DataChemist  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.Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistenceGraph DBMS
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
Document store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score26.34
Rank#27  Overall
#4  Key-value stores
Score151.86
Rank#7  Overall
#1  Key-value stores
Score0.09
Rank#306  Overall
#30  Graph DBMS
Websitewww.memcached.orgredis.ioterminusdb.com
Technical documentationgithub.com/­memcached/­memcached/­wikiredis.io/­documentationterminusdb.com/­docs
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSalvatore Sanfilippo infoDevelopment sponsored by Redis LabsDataChemist Ltd.
Initial release200320092018
Current release1.6.0, March 20206.0.8, September 20201.1.1, January 2020
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoBSD 3-Clause, commercial license availableOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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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 languageCCProlog, Rust
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Linux
Data schemeschema-freeschema-freeyes
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 indexesyes
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.nono
Secondary indexesnoyes infowith RediSearch module
SQL infoSupport of SQLnonoSQL-like query language (WOQL)
APIs and other access methodsProprietary protocolproprietary protocol infoRESP - REdis Serialization ProtocolOWL
RESTful HTTP API
WOQL (Web Object Query Language)
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
JavaScript
Python
Server-side scripts infoStored proceduresnoLuayes
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
Journaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoOptimistic locking, atomic execution of commands blocks and scriptsACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the serveryes
Durability infoSupport for making data persistentnoyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes infoin-memory journaling
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 versionRole-based access control

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Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
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Datadog: Monitor all Redis metrics: hit rates, clients, commands per second, and more.
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More resources
MemcachedRedisTerminusDB infoformer name was DataChemist
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Recent citations in the news

Global Key Value Database Market 2020-2025 Expected To Recover and Grow Massively At a Highest CAGR Post Covid-19 Outbreak: The Apache Software Foundation, Memcached, Redis Labs, Couchbase, Amazon Web Services (AWS) etc.
21 September 2020, Verdant News

Google Cloud launches a managed Memcached service
2 April 2020, TechCrunch

Google Cloud rolls out Memcached database caching – Blocks and Files
4 April 2020, Blocks and Files

Google Unveils Memorystore for Memcached
6 April 2020, Database Trends and Applications

Memcached 1.6 puts binary protocol to bed • DEVCLASS
9 March 2020, DevClass

provided by Google News

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

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

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

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TerminusDB Launches TerminusHub
8 September 2020, Destination CRM

Dublin's DataChemist announces expansion into the Netherlands
20 November 2019, Siliconrepublic.com

Ethics on agenda as full line-up of DataTech20 speakers revealed
13 February 2020, Insider.co.uk

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