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DBMS > NCache vs. OrientDB vs. Stardog vs. TerarkDB vs. VictoriaMetrics

System Properties Comparison NCache vs. OrientDB vs. Stardog vs. TerarkDB vs. VictoriaMetrics

Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonOrientDB  Xexclude from comparisonStardog  Xexclude from comparisonTerarkDB  Xexclude from comparisonVictoriaMetrics  Xexclude from comparison
DescriptionOpen-Source and Enterprise in-memory Key-Value StoreMulti-model DBMS (Document, Graph, Key/Value)Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualizationA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDBA fast, cost-effective and scalable Time Series DBMS and monitoring solution
Primary database modelKey-value storeDocument store
Graph DBMS
Key-value store
Graph DBMS
RDF store
Key-value storeTime Series DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.90
Rank#186  Overall
#31  Key-value stores
Score5.21
Rank#78  Overall
#15  Document stores
#5  Graph DBMS
#12  Key-value stores
Score1.66
Rank#138  Overall
#10  Graph DBMS
#6  RDF stores
Score0.00
Rank#357  Overall
#56  Key-value stores
Score0.76
Rank#205  Overall
#15  Time Series DBMS
Websitewww.alachisoft.com/­ncacheorientdb.orgwww.stardog.comgithub.com/­Terark/­terarkdbvictoriametrics.com
Technical documentationwww.alachisoft.com/­resources/­docswww.orientdb.com/­docs/­last/­index.htmldocs.stardog.comgithub.com/­Terark/­terarkdb/­wikidocs.victoriametrics.com
github.com/­VictoriaMetrics/­VictoriaMetrics/­wiki
DeveloperAlachisoftOrientDB LTD; CallidusCloud; SAPStardog-UnionTerarkVictoriaMetrics
Initial release20052010201020162018
Current release5.2, April 20213.1.9, February 20217.3.0, May 2020v1.77, May 2022
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoApache version 2commercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/studentscommercial inforestricted open source version availableOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
NCache Cloud: NCache Cloud is available in Azure and AWS Marketplaces as a Service. This means you can now obtain it instantaneously with a few mouse clicks, and seamlessly scale your cache deployment without any down time.
Implementation languageC#, .NET, .NET Core, JavaJavaJavaC++Go
Server operating systemsLinux
Windows
All OS with a Java JDK (>= JDK 6)Linux
macOS
Windows
FreeBSD
Linux
macOS
OpenBSD
Data schemeschema-freeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")schema-free and OWL/RDFS-schema supportschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyesno
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 infoImport/export of XML data possiblenono
Secondary indexesyesyesyes infosupports real-time indexing in full-text and geospatialno
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.SQL-like query language, no joinsYes, compatible with all major SQL variants through dedicated BI/SQL Servernono
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
C++ API
Java API
Graphite protocol
InfluxDB Line Protocol
OpenTSDB
Prometheus Query API
Prometheus Remote Read/Write
Supported programming languages.Net
.Net Core
C#
Java
JavaScript (Node.js)
Visual Basic.NET
.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
C++
Java
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRJava, Javascriptuser defined functions and aggregates, HTTP Server extensions in Javanono
Triggersyes infoNotificationsHooksyes infovia event handlersnono
Partitioning methods infoMethods for storing different data on different nodesyesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelMulti-source replicationMulti-source replication in HA-ClusternoneSynchronous replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno infocould be achieved with distributed queriesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency in HA-ClusterEventual Consistency
Foreign keys infoReferential integritynoyes inforelationship in graphsyes inforelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACIDACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Access rights for users and roles; record level security configurableAccess rights for users and rolesno
More information provided by the system vendor
NCacheOrientDBStardogTerarkDBVictoriaMetrics
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
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Stardog is an Enterprise Knowledge Graph platform, uniquely combining graph storage...
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High performance, horizontally scalable time series database and monitoring solution...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
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Stardog provides a full featureset to aid in data integration for your complex data....
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Specifically designed for highly loaded workloads Addresses most of the scalability...
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Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Stardog is frequently used for: Supply chain optimization Operational Risk Digital...
» more
When the current monitoring solution can't keep up with increasing workload Kubernetes...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
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Bosch, NASA, Boehringer Ingelheim, Morgan Stanley, Schneider Electric, FINRA and...
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Grammarly, Wix.com, adidas, Sensedia, Brandwatch, CERN, COLOPL, Razorpay See our...
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Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Stardog's technology is based on ground-breaking research by our founders cited 10,000+...
» more
6k stars and 100+ contributors on GitHub 45M+ downloads Thousands of active users...
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
You can start for free! A fully-featured license is available for those testing Stardog:...
» more
VictoriaMetrics comes in three versions: an open source version, an Enterprise version...
» more
News

NCache at Atlanta .NET User Group Meetup 2017
1 July 2022

SDD Conference 2017, London – Scaling .NET Apps with Distributed Cache
1 July 2022

Quickstart: NCache Python Client
20 June 2022

Scaling Full Text Indexing Using NCache Distributed Lucene
10 June 2022

Session Storage in ASP.NET Core Using NCache
3 June 2022

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

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