DB-EnginesExtremeDB: hybrid in-memory and persistent storage based on a true IMDSEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > FoundationDB vs. Redis vs. ScyllaDB vs. Solr

System Properties Comparison FoundationDB vs. Redis vs. ScyllaDB vs. Solr

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameFoundationDB  Xexclude from comparisonRedis  Xexclude from comparisonScyllaDB  Xexclude from comparisonSolr  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionOrdered key-value store. Core features are complimented by layers.Popular 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 storeA widely used distributed, scalable search engine based on Apache Lucene
Primary database modelDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Key-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
Search engine
Secondary database modelsDocument store infowith RedisJSON
Graph DBMS infowith RedisGraph
Spatial DBMS
Search engine infowith RediSearch
Time Series DBMS infowith RedisTimeSeries
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.32
Rank#149  Overall
#26  Document stores
#28  Key-value stores
#72  Relational DBMS
Score168.31
Rank#6  Overall
#1  Key-value stores
Score3.17
Rank#92  Overall
#15  Key-value stores
#8  Wide column stores
Score51.79
Rank#20  Overall
#3  Search engines
Websitewww.foundationdb.orgredis.io
redislabs.com
www.scylladb.comlucene.apache.org/­solr
Technical documentationapple.github.io/­foundationdbdocs.redislabs.com/­latest/­index.html
redis.io/­documentation
docs.scylladb.comlucene.apache.org/­solr/­resources.html
DeveloperFoundationDBRedis project core team, inspired by Salvatore Sanfilippo infoDevelopment sponsored by Redis LabsScyllaDBApache Software Foundation
Initial release2013200920152006
Current release6.2.28, November 20206.2.4, June 2021Scylla Open Source 4.3, January 20218.9.0, June 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infosource-available extensions (modules), commercial licenses for Redis EnterpriseOpen Source infoOpen Source (AGPL), commercial license availableOpen Source infoApache Version 2
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.
  • 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.
  • Redis Enterprise Cloud: Instantly scale and pay only for the resources you need - on any cloud - AWS, Azure or Google Cloud.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageC++CC++Java
Server operating systemsLinux
OS X
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
LinuxAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeschema-free infosome layers support schemasschema-freeschema-freeyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateno infosome layers support typingpartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyesyes infosupports customizable data types and automatic typing
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.nonoyes
Secondary indexesnoyes infowith RediSearch moduleyes infocluster global secondary indicesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLsupported in specific SQL layer onlynoSQL-like DML and DDL statements (CQL)Solr Parallel SQL Interface
APIs and other access methodsproprietary protocol infoRESP - REdis Serialization ProtocolProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Java API
RESTful HTTP/JSON API
Supported programming languages.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
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
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresin SQL-layer onlyLua; Redis Functions coming in Redis 7 (slides and Github)yes, LuaJava plugins
Triggersnopublish/subscribe channels provide some trigger functionality; RedisGearsnoyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoAutomatic hash-based sharding with support for hash-tags for manual shardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
selectable replication factor infoRepresentation of geographical distribution of servers is possibleyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnothrough RedisGearsnospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemLinearizable 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
Eventual Consistency
Foreign keys infoReferential integrityin SQL-layer onlynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of command blocks and scripts and optimistic lockingno infoAtomicity and isolation are supported for single operationsoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the serveryesyes
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoin-memory tablesyes
User concepts infoAccess controlnoAccess 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 objectyes
More information provided by the system vendor
FoundationDBRedisScyllaDBSolr
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 partiesRedisson PRO: The ultra-fast Redis Java Client.
» more

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

Redis Enterprise Cloud: Try with 400$ usage credit.
» more

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

More resources
FoundationDBRedisScyllaDBSolr
DB-Engines blog posts

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

Elasticsearch replaced Solr as the most popular search engine
12 January 2016, Paul Andlinger

Enterprise Search Engines almost double their popularity in the last 12 months
2 July 2014, Paul Andlinger

The DB-Engines ranking includes now search engines
4 February 2013, Paul Andlinger

show all

Conferences and events

Scylla University LIVE (EMEA and APAC)
12PM-4PM GMT / 2PM-6PM CEST / 5:30PM-9:30PM IST, 28 July 2021

Scylla University LIVE (AMERICAS)
9AM-1PM PT / 12PM-4PM ET / 1PM-5PM BRT, 29 July 2021

Finished events

Scylla Virtual Workshop
Interactive Session, 10 AM ET / 11 AM BRT / 3 PM BST, 23 July 2021 (finished)

Recent citations in the news

Key Value Database Market 2021 | Covid19 Impact Analysis | Growth by Top Companies: FoundationDB, Memcached, The Apache Software Foundation, Aerospike, DataStax – Murphy's Hockey Law
21 July 2021, Murphy's Hockey Law

Apple Acquires Durable Database Company FoundationDB
24 March 2015, TechCrunch

FoundationDB, a very interesting NoSQL database owned by Apple, is now an open-source project
19 April 2018, GeekWire

Apple’s FoundationDB open sources the database layer behind CloudKit
14 January 2019, 9to5Mac

Apple Open Sources FoundationDB
29 April 2018, InfoQ.com

provided by Google News

Redis Comprehensive Guide for Data Scientists-
30 June 2021, Illinoisnewstoday.com

Redis survey finds AI is stressing IT infrastructure to breaking point
29 June 2021, VentureBeat

A Comprehensive Guide To Redis For Data Scientists -
27 June 2021, Analytics India Magazine

Scaling CockroachDB in the red ocean of relational databases
15 July 2021, TechCrunch

The Splitgate beta got so popular that the developers have to upgrade the servers
23 July 2021, Gamesradar

provided by Google News

Maitri Health Technologies Chooses ScyllaDB to Scale Big Data Health-Tech Platform
24 June 2021, Yahoo Finance

There's a NoSQL Database for That
22 July 2021, Datanami

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

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

ScyllaDB Announces Scylla Enterprise 2020 NoSQL Database
19 August 2020, GlobeNewswire

provided by Google News

Over a million households have been affected by Supplier of Last Resort process in last 2.5 years
19 July 2021, This is Money

Talroo Energizes Solr Search Engine with Lucidworks
30 April 2021, Destination CRM

Latest big data developments in the realm of data lakehouse
23 July 2021, VentureBeat

Enterprise Search Software Market 2021: Potential growth, attractive valuation make it is a long-term investment | Know the COVID19 Impact – The Manomet Current
16 July 2021, The Manomet Current

SOLR, AUB Secular Club members discuss connecting global student activism
4 May 2021, Daily Northwestern

provided by Google News

Job opportunities

Database Administrator
Detroit Tigers, Detroit, MI

Database App Server Engineer
Maryland Courts, Annapolis, MD

Software Engineer/ Database Reliability Engineer
Etsy, Brooklyn, NY

Database Developer
Farm Credit Services of America, Omaha, NE

Senior Operations Engineer - Database Reliability
Redfin, Seattle, WA

Developer Advocate
ScyllaDB, California

Digital Solutions Senior Platform Engineer
MidAmerican Energy, Las Vegas, NV

Field Engineer (USA or Remote)
ScyllaDB, Remote

Senior Systems Engineer
SpotX, Broomfield, CO

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

IBM WebCommerce Admin
Audax Labs, Seattle, WA

Software Engineer - Solr
Smarsh, Portland, OR

Apache Solr Engineer
Wellstone Technologies, Remote

PHP Developer
Cquest, Remote

Java Solr Developer - Remote US (CST and EST only)
Commvault, Jersey, GA

jobs by Indeed



Share this page

Featured Products

Neo4j logo

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

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database machine learning. Try Vertica for free with no time limit.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Present your product here