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DBMS > AllegroGraph vs. etcd vs. LokiJS

System Properties Comparison AllegroGraph vs. etcd vs. LokiJS

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonetcd  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA distributed reliable key-value storeIn-memory JavaScript DBMS
Primary database modelDocument store infowith version 6.5
Graph DBMS
RDF store
Key-value storeDocument store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.34
Rank#150  Overall
#25  Document stores
#13  Graph DBMS
#7  RDF stores
Score10.22
Rank#45  Overall
#5  Key-value stores
Score0.59
Rank#226  Overall
#35  Document stores
Websiteallegrograph.cometcd.io
github.com/­etcd-io/­etcd
github.com/­techfort/­LokiJS
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmletcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
techfort.github.io/­LokiJS
DeveloperFranz Inc.
Initial release20042014
Current release7.0.0, April 20203.4, August 2019
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen Source infoApache Version 2.0Open Source
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 languageGoJavaScript
Server operating systemsLinux
OS X
Windows
FreeBSD
Linux
Windows infoexperimental
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyes infoRDF schemasschema-freeschema-free
Typing infopredefined data types such as float or dateyesnono
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 possiblenono
Secondary indexesyesnoyes infovia views
SQL infoSupport of SQLSPARQL is used as query languagenono
APIs and other access methodsRESTful HTTP API
SPARQL
gRPC
JSON over HTTP
JavaScript API
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
JavaScript
Server-side scripts infoStored proceduresyes infoJavaScript or Common LispnoView functions in JavaScript
Triggersyesyes, watching key changesyes
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.none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate Consistencynone
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnono infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationnono
More information provided by the system vendor
AllegroGraphetcdLokiJS
Specific characteristicsKnowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» 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

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
AllegroGraphetcdLokiJS
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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Recent citations in the news

Franz Inc. Named to Database Trends 100 Companies that Matter Most in Data
15 June 2021, Business Wire

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

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

Franz Inc. and Smartlogic Team Up to Help Enterprises Quickly Deploy Highly Scalable, Distributed Semantic Knowledge Graphs
24 May 2021, Business Wire

Ubiquitous AI Demands A New Type Of Database Sharding
1 May 2020, Forbes

provided by Google 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

Service Discovery Software Market In-Depth Analysis including key players Amazon Web Services , Avi Vantage Platform , Hystrix , Apache , HashiCorp , Eureka , SkyDNS , Docker Hub , GRPC , Avi Vantage Platform , Etcd , Linkerd , Traefik , 3Scale – KSU | T
23 June 2021, KSU | The Sentinel Newspaper

IBM Adds Databases to Managed Kubernetes Edge Service
23 June 2021, Container Journal

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

provided by Google News

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

Fast, Lightweight Data Storage for Cordova Apps with LokiJS
26 January 2016, SitePoint

LinkedIn open-sources URL-Detector Java library, LokiJS 1.4, and Bulgaria's new open-source law—SD Times news digest: July 5, 2016
5 July 2016, SDTimes.com

NativeScript Adds LiveSync with Webpack
1 June 2018, iProgrammer

Build Cross-Platform Android and iOS UIs with Xamarin Forms
26 February 2016, SitePoint

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