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DBMS > etcd vs. Redis

System Properties Comparison etcd vs. Redis

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Our visitors often compare etcd and Redis with Memcached, Cassandra and MongoDB.

Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonRedis  Xexclude from comparison
DescriptionA distributed reliable key-value storeIn-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
Spatial DBMS
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.22
Rank#45  Overall
#5  Key-value stores
Score165.25
Rank#7  Overall
#1  Key-value stores
Websiteetcd.io
github.com/­etcd-io/­etcd
redis.io
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
redis.io/­documentation
DeveloperSalvatore Sanfilippo infoDevelopment sponsored by Redis Labs
Initial release2009
Current release3.4, August 20196.2.3, May 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSD 3-Clause, commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoC
Server operating systemsFreeBSD
Linux
Windows infoexperimental
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.nono
Secondary indexesnoyes infowith RediSearch module
SQL infoSupport of SQLnono
APIs and other access methodsgRPC
JSON over HTTP
proprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
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
Triggersyes, watching key changesno infopublish/subscribe channels provide limited trigger functionality
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Multi-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
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 persistentyesyes 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.noyes
User concepts infoAccess controlnoSimple password-based access control infoAccess control lists and SSL are available in the commercial version
More information provided by the system vendor
etcdRedis
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
Licensing and pricing modelsThe licensing model is subscription based. Redis Enterprise Cloud is priced according...
» more

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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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Redisson PRO: The ultra-fast Redis Java Client.
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Redis Enterprise Cloud: Try with 400$ usage credit.
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More resources
etcdRedis
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Recent citations in the news

All about performance: etcd 3.5 looks to make Kubernetes users happy • DEVCLASS
17 June 2021, DevClass

Using Mayhem for API to Fuzz etcd
10 June 2021, Security Boulevard

Distributed Key-Value Store etcd Graduates at CNCF
29 November 2020, InfoQ.com

Kubernetes: 5 tips we wish we knew sooner
7 June 2021, The Enterprisers Project

SD Times Open-Source Project of the Week: etcd
25 November 2020, SDTimes.com

provided by Google News

What's the secret to database success? The answer may surprise you
21 June 2021, TechRepublic

Redis Labs' RediSearch 2.0 Delivers Real-Time Enterprise Search, Query and Indexing
3 June 2021, Integration Developers

Redis Labs eyes huge growth in the Indian market
17 June 2021, Express Computer

Cloud Database Market Big Opportunity | Redis Labs, SAP, MongoLab, Alibaba, Oracle – The Manomet Current
1 June 2021, The Manomet Current

Supply Chain Analysis of Open-Source Database Software Market Overview 2021-28| MySQL, Redis, MongoDB – The Courier
21 June 2021, The Courier

provided by Google News

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