DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > etcd vs. Memcached vs. Redis vs. ScyllaDB

System Properties Comparison etcd vs. Memcached vs. Redis vs. ScyllaDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonMemcached  Xexclude from comparisonRedis  Xexclude from comparisonScyllaDB  Xexclude from comparison
DescriptionA distributed reliable key-value storeIn-memory key-value store, originally intended for cachingPopular in-memory data platform used as a cache, message broker, and database that can be deployed on-premises, across clouds, and hybrid environments infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.Cassandra and DynamoDB compatible wide column store
Primary database modelKey-value storeKey-value storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistenceKey-value store
Wide column store
Secondary database modelsDocument store infowith RedisJSON
Graph DBMS infowith RedisGraph
Spatial DBMS
Search engine infowith RediSearch
Time Series DBMS infowith RedisTimeSeries
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score11.54
Rank#46  Overall
#5  Key-value stores
Score25.34
Rank#32  Overall
#4  Key-value stores
Score177.98
Rank#6  Overall
#1  Key-value stores
Score3.91
Rank#85  Overall
#14  Key-value stores
#6  Wide column stores
Websiteetcd.io
github.com/­etcd-io/­etcd
www.memcached.orgredis.com
redis.io
www.scylladb.com
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
github.com/­memcached/­memcached/­wikidocs.redis.com/­latest/­index.html
redis.io/­documentation
docs.scylladb.com
Social network pagesFacebookLinkedInTwitterYouTubeDiscord
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalRedis project core team, inspired by Salvatore Sanfilippo infoDevelopment sponsored by Redis Inc.ScyllaDB
Initial release200320092015
Current release3.4, August 20191.6.9, November 20206.2.6, October 2021Scylla Open Source 4.5, October 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSD licenseOpen Source infosource-available extensions (modules), commercial licenses for Redis EnterpriseOpen Source infoOpen Source (AGPL), commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
  • Redis Enterprise Cloud: Instantly scale and pay only for the resources you need - on any cloud - AWS, Azure or Google Cloud.
  • 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.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageGoCCC++
Server operating systemsFreeBSD
Linux
Windows infoexperimental
FreeBSD
Linux
OS X
Unix
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Linux
Data schemeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenonopartial 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.nonono
Secondary indexesnonoyes infowith RediSearch moduleyes infocluster global secondary indices
SQL infoSupport of SQLnononoSQL-like DML and DDL statements (CQL)
APIs and other access methodsgRPC
JSON over HTTP
Proprietary protocolproprietary protocol infoRESP - REdis Serialization ProtocolProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.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
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
Server-side scripts infoStored proceduresnonoLua; Redis Functions coming in Redis 7 (slides and Github)yes, Lua
Triggersyes, watching key changesnopublish/subscribe channels provide some trigger functionality; RedisGearsno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoAutomatic hash-based sharding with support for hash-tags for manual shardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.none infoRepcached, a Memcached patch, provides this functionallityMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
selectable replication factor infoRepresentation of geographical distribution of servers is possible
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonothrough RedisGearsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Causal consistency can be enabled in Active-Active databases
Strong consistency with Redis Raft
Strong eventual consistency with Active-Active
Eventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoAtomic execution of command blocks and scripts and optimistic lockingno infoAtomicity and isolation are supported for single operations
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoData access is serialized by the serveryes
Durability infoSupport for making data persistentyesnoyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infoin-memory tables
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolAccess Control Lists (ACLs): redis.io/­topics/­acl
LDAP and Role-Based Access Control (RBAC) for Redis Enterprise
Mutual TLS authentication: redis.io/­topics/­encryption
Password-based authentication
Access rights for users can be defined per object
More information provided by the system vendor
etcdMemcachedRedisScyllaDB
Specific characteristicsThe Redis real-time data platform builds upon the unmatched simplicity and speed...
» more
Scylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more
Competitive advantagesRedis Enterprise is a robust in-memory database platform built by the people who...
» more
Highly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosRedis Enterprise is used by large enterprise, startup, and government organizations...
» more
AdTech ( AdGear , AppMonet , Dstillery , FullContact , MediaMath , Numberly , SAS...
» more
Key customersVerizon, Vodafone, Atlassian, Trip Advisor, Jet.com, Nokia, Samsung, HTC, Docker,...
» more
Comcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr, Zenly, Natura, Snapfish,...
» more
Market metricsMost launched Docker container per day according to Docker Hub (7.2M launches per...
» more
Licensing and pricing modelsRedis Enterprise Cloud lets users scale up and down instantly, and pay only for the...
» more
Scylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» 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 partiesRead the Redis NoSQL benchmark report.
» more

Redisson PRO: The ultra-fast Redis Java Client.
» more

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

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

More resources
etcdMemcachedRedisScyllaDB
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 is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

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

show all

Conferences and events

Scylla Summit 2022
Virtual Conference, 9-10 February 2022

Finished events

Critical Attributes for a High-Performance, Low-Latency Database
Webinar, Video Available, 28 October 2021 (finished)

Demystifying the Distributed Database Landscape
Webinar, Video Available, 2 December 2021 (finished)

Recent citations in the news

How to restore a Kubernetes cluster from an etcd snapshot
16 December 2021, TechTarget

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

How to invest in silver with minimal hassle and diversify your portfolio
14 January 2022, Mint

etcd: the Not-so-Secret Sauce in Google's Kubernetes and Pivotal's Cloud Foundry
16 July 2014, Data Center Knowledge

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

provided by Google News

Google Releases Memorystore for Memcached into General Availability
9 March 2021, InfoQ.com

Linux to Adopt New Multi-Generation LRU Page Reclaim Policy
16 January 2022, InfoQ.com

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

Python Software Engineer
24 January 2022, IT-Online

The Basics of Serverless User Authentication
3 January 2022, Container Journal

provided by Google News

Confluent Releases New Features to Make Data Streaming Simple
19 January 2022, Database Trends and Applications

Redis Welcomes Proven Leaders to Board of Directors with Alexy and Dor Appointments
12 January 2022, Business Wire

Bank Replaces Hundreds of Spark Streaming Nodes with Kinetica
6 January 2022, Datanami

Data 2022 outlook, part one: Will data clouds get easier? Will streaming get off its own island?
3 January 2022, ZDNet

AWS introduces Amazon MemoryDB for Redis
19 August 2021, ZDNet

provided by Google News

ScyllaDB Announces Scylla Enterprise 2021 NoSQL Database
20 May 2021, GlobeNewswire

ScyllaDB Announces NoSQL Database as a Service Now Available on Google Cloud
4 August 2021, GlobeNewswire

ScyllaDB Unveils 'Monstrous' New Capabilities for Its NoSQL
12 January 2021, GlobeNewswire

ScyllaDB Announces Comprehensive Support for Apache Kafka
16 June 2021, GlobeNewswire

ScyllaDB Appoints SaaS Strategy Executive Wayne Ariola as Chief Marketing Officer
11 August 2021, GlobeNewswire

provided by Google News

Job opportunities

Software Development Engineer, EKS , EKS Scalability
Amazon.com Services LLC, Seattle, WA

Junior Developer
Paradyme Management, Washington, DC

MTS 1, Software Engineer
PayPal, Austin, TX

Software Engineer
Braintree, San Francisco, CA

Platform Engineer – SysAdmin
Grant Street Group, Remote

Junior Developer
Paradyme Management, Washington, DC

AWS Architect
spar information systems, Remote

System Administrator
AdMedia., Remote

AWS Cloud Architect
PDT, Remote

Full-stack Web Developer (Laravel)
Collective Next, Remote

Database Administrator
ARK Solutions, Lansing, MI

Database Administrator
Intel, Santa Clara, CA

Senior Database Engineer - NoSQL (Redis)
MasterCard, O'Fallon, MO

Database Administration Professional
Fiserv, Inc., Short Hills, NJ

Cloud Support Engineer I - Databases
Amazon Web Services, Inc., Remote

Back-End Engineer
Tagup, Inc., Boston, MA

Systems Engineer / DevOps
Hive, San Francisco, CA

Data Architect
JPMorgan Chase Bank, N.A., Jersey City, NJ

Senior Storage Engineer- Persistence Infrastructure
Discord, San Francisco, CA

Senior Infrastructure Engineer (Remote CA, NY, TX)
OneSignal, San Mateo, CA

jobs by Indeed



Share this page

Featured Products

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

Present your product here