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DBMS > GRAKN.AI vs. NCache vs. RocksDB

System Properties Comparison GRAKN.AI vs. NCache vs. RocksDB

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Editorial information provided by DB-Engines
NameGRAKN.AI  Xexclude from comparisonNCache  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionGrakn is a distributed, hyper-relational database for managing complex data that serves as a knowledge base for cognitive/AI systems.Open source in-memory key-value storeEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelGraph DBMS
Relational DBMS infoOften described as a 'hyper-relational' database, since it implements the 'Entity-Relationship Paradigm' to manage complex data structures and ontologies.
Key-value storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.28
Rank#243  Overall
#18  Graph DBMS
#115  Relational DBMS
Score0.94
Rank#157  Overall
#26  Key-value stores
Score2.61
Rank#97  Overall
#18  Key-value stores
Websitegrakn.aiwww.alachisoft.com/­ncacherocksdb.org
Technical documentationdev.grakn.ai/­docswww.alachisoft.com/­resources/­docsgithub.com/­facebook/­rocksdb/­wiki
DeveloperGrakn Labs LtdAlachisoftFacebook, Inc.
Initial release201620042013
Current release1.6.2, January 20205.0, May 20196.5.3, January 2020
License infoCommercial or Open SourceOpen Source infoGPL Version 3, commercial licenses availableOpen Source infoApache 2.0Open Source infoBSD
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 languageJavaC#, C++, .NETC++
Server operating systemsLinux
OS X
Windows
Windows
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesno
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 indexesyesyesno
SQL infoSupport of SQLnoSQL-like query syntax (OQL) for searching the cacheno
APIs and other access methodsconsole (shell)
gRPC protocol
Workbase (visualisation software)
LINQ
Proprietary protocol
C++ API
Java API
Supported programming languagesAll JVM based languages
Groovy
Java
JavaScript (Node.js)
Python
Scala
.Net
C#
Java
Visual Basic.NET
C++
Java
Server-side scripts infoStored proceduresnono infosupport for stored procedures with SQL-Server CLRno
Triggersnoyes infoNotificationsno
Partitioning methods infoMethods for storing different data on different nodesSharding infoby using Cassandrayesnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoby using Cassandrayes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoby using Apache Kafka and Apache Zookeeperyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityno infosubstituted by the relationship featurenono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic lockingyes
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.noyesyes
User concepts infoAccess controlyes infoat REST API level; other APIs in progressauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)no
More information provided by the system vendor
GRAKN.AINCacheRocksDB
Specific characteristicsGrakn is the knowledge graph to organise complex networks of data and making it queryable,...
» more
NCache has been the market leader in .NET Distributed Caching for the last 13 years....
» more
Competitive advantagesExpressive and flexible data model: The meta-schema of Grakn allows for modelling...
» more
Ncache is 100% .NET with ASP.NET Session State storage, ASP.NET View State Caching,...
» more
Typical application scenariosLife sciences : Grakn makes working with biological data much easier and accelerates...
» more
NCache enables industries and users including users doing: Fraud Detection, Retail...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching for the last 13 years.
» more
Licensing and pricing modelsAGPL and Commercial . The commercial license is priced based on cluster resources...
» more
The NCache Enterprise licensing model is according to the number of nodes and shards...
» more
News

NCache becomes a RedHat Technology Partner.
23 January 2020

Best Practices for Monitoring NCache in Production
21 January 2020

NCache 5.0 SP2 Released
7 January 2020

Deploying NCache in Red Hat OpenShift
24 December 2019

Synchronize your Cache with SQL Server in NCache
13 November 2019

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

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More resources
GRAKN.AINCacheRocksDB
Conferences and events

Grakn Cosmos, the universal conference of technologies built using Grakn
London, UK, 6-7 February 2020

Recent citations in the news

GRAKN.AI: How Haikal Pribadi went from being a refugee to building a database for AI systems
26 October 2017, YourStory.com

Get Started With GRAKN.AI
10 March 2017, DZone News

L-Glutamine (Gln) Industry Market Key Trends, Manufacturers in Globe, Benefits, Opportunities to 2025
22 January 2020, Melanian News

What Is an Ontology?
15 March 2017, DZone News

Kannur-based startup ArticBot bets big on machine learning
28 October 2017, YourStory.com

provided by Google News

How to use NCache in ASP.Net Core
25 February 2019, InfoWorld

NCache Distributed Cache for .NET Gets Open Sourced
28 January 2015, Visual Studio Magazine

In-Memory Key-Value Databases: NCache (Initial Evaluation)
31 October 2018, GameDev.net

Basic NCache is Now Open Source
10 March 2015, InfoQ.com

Velocity: Microsoft's Distributed In-Memory Cache
4 June 2008, InfoQ.com

provided by Google News

AMD EPYC vs. Intel Xeon Cascadelake With Facebook's RocksDB Database
17 October 2019, Phoronix

Toshiba Memory America Optimizes RocksDB for SSDs
1 August 2019, Business Wire

Toshiba Memory America Highlights TRocksDB at SNIA's 2019 Storage Developer Conference
23 September 2019, Business Wire

Alluxio Bolsters Data Orchestration for Hybrid Cloud World
11 July 2019, Datanami

Just How Special Is The Intel i9-9900KS?
30 October 2019, PC Perspective

provided by Google News

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