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DBMS > AllegroGraph vs. etcd vs. Neo4j

System Properties Comparison AllegroGraph vs. etcd vs. Neo4j

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonetcd  Xexclude from comparisonNeo4j  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA distributed reliable key-value storeOpen source graph database
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Key-value storeGraph DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.33
Rank#148  Overall
#25  Document stores
#13  Graph DBMS
#7  RDF stores
Score9.42
Rank#47  Overall
#5  Key-value stores
Score52.23
Rank#19  Overall
#1  Graph DBMS
Websiteallegrograph.cometcd.io
github.com/­etcd-io/­etcd
neo4j.com
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmletcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
neo4j.com/­docs
DeveloperFranz Inc.Neo4j, Inc.
Initial release20042007
Current release7.0.0, April 20203.4, August 20194.2.6, May 2021
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen Source infoApache Version 2.0Open Source infoGPL version3, commercial licenses available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJava, Scala
Server operating systemsLinux
OS X
Windows
FreeBSD
Linux
Windows infoexperimental
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeyes infoRDF schemasschema-freeschema-free and schema-optional
Typing infopredefined data types such as float or dateyesnoyes
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 infobulk load of XML files possibleno
Secondary indexesyesnoyes infopluggable indexing subsystem, by default Apache Lucene
SQL infoSupport of SQLSPARQL is used as query languagenono
APIs and other access methodsRESTful HTTP API
SPARQL
gRPC
JSON over HTTP
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresyes infoJavaScript or Common Lispnoyes infoUser defined Procedures and Functions
Triggersyesyes, watching key changesyes infovia event handler
Partitioning methods infoMethods for storing different data on different nodeswith Federationnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Using Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Causal Clustering using Raft protocol infoavailable in in Enterprise Version only
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Foreign keys infoReferential integritynonoyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationnoUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)
More information provided by the system vendor
AllegroGraphetcdNeo4j
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Neo4j is a native graph database platform that is built to store, query, analyze...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
Neo4j database is the only transactional database that combines everything you need...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Key customersOver 300 commercial customers and over 750 startups use Neo4j. Flagship customers...
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than a 15 million...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
News

Gartner Case Study: Entity-Event Knowledge Graph for Powering AI Solutions (Montefiore)
15 March 2021

Understanding What Matters With Text Analytics and NLP
9 March 2021

KMWorld 100 Companies that Matter Most – Franz Inc.
9 March 2021

Maximizing Your Data Fabric’s ROI via Entity Data Modeling
24 February 2021

Data-Centric Architecture Forum – DCAF 2021
1 February 2021

This Week in Neo4j – Neo4j Streams, Event Processing, Py2Neo, News as Knowledge Graphs
8 May 2021

Intelligent Content Curation: 5-Minute Interview with Tourism Media’s Terry Franklin
7 May 2021

Neo4j Graphs4Good Honored with Fast Company’s 2021 World Changing Ideas Award
5 May 2021

Gartner’s Getting Graphy at Highly Anticipated Data & Analytics Summit
4 May 2021

Advantages of Neo4j Aura Enterprise: Reliable and Productive
3 May 2021

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 partiesGraphable delivers expert services for Neo4j and other Graph DBMS.
» more

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

More resources
AllegroGraphetcdNeo4j
DB-Engines blog posts

Applying Graph Analytics to Game of Thrones
12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

The openCypher Project: Help Shape the SQL for Graphs
22 December 2015, Emil Eifrem (guest author)

show all

Conferences and events

Graph-Centered AppDev Series, What's wrong with your application?
Webinar, Episode 1 [REPLAY], 6 April 2021 - 6 July 2021

Recent citations in the news

Franz Announces Allegro NFS Server 7.0 for Windows
16 February 2021, Business Wire

Franz Releases AllegroGraph 7.1
12 February 2021, Database Trends and Applications

Franz Inc. Named a 2021 KMWorld 100 Company that Matters in Knowledge Management
22 March 2021, Business Wire

Franz's AllegroGraph 7 Gains Broad Recognition in 2020 as a Leading Knowledge Graph Solution
9 December 2020, Business Wire

AllegroGraph v7 Powers First Distributed Semantic Knowledge Graph Solution with Federated-Sharding
26 May 2020, Business Wire

provided by Google News

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

How Kubernetes works
6 May 2021, InfoWorld

etcd Data Store Project Key to Scaling Kubernetes Clusters
8 September 2020, Container Journal

Kubernetes' etcd data store becomes top-level CNCF project
24 November 2020, SiliconANGLE News

Kubermatic Kubernetes Platform 2.17 intros automated backup and restore • DEVCLASS
30 April 2021, DevClass

provided by Google News

Neo4j: Why Graph Technology Is the Key to Fraud Detection
16 April 2021, The Fintech Times

Neo4j's Graphs 4 COVID-19 Initiative Honored Twice in Fast Company's 2021 World Changing Ideas
5 May 2021, PRNewswire

GPU Database Market Research & Clinical Advancements by 2028 | Kinetica, Blazegraph, Neo4j – KSU | The Sentinel Newspaper
8 May 2021, KSU | The Sentinel Newspaper

Graph Database Market Size and Forecast 2021-2027 | Key Players – Amazon Web Services, Franz, IBM, Microsoft, Neo4j, OpenLink Software, Oracle, OrientDB – The Courier
28 April 2021, The Courier

Neo4j Continues Exceptional Growth in 2020, Bolstered by Customer Wins, Mainstream Adoption and Community Expansion
17 February 2021, PRNewswire

provided by Google News

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