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DBMS > Hazelcast vs. NSDb vs. OpenMLDB vs. OrigoDB

System Properties Comparison Hazelcast vs. NSDb vs. OpenMLDB vs. OrigoDB

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Editorial information provided by DB-Engines
NameHazelcast  Xexclude from comparisonNSDb  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOrigoDB  Xexclude from comparison
DescriptionA widely adopted in-memory data gridScalable, High-performance Time Series DBMS designed for Real-time Analytics on top of KubernetesAn open-source machine learning database that provides a feature platform for training and inferenceA fully ACID in-memory object graph database
Primary database modelKey-value storeTime Series DBMSTime Series DBMSDocument store
Object oriented DBMS
Secondary database modelsDocument store infoJSON support with IMDG 3.12Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.46
Rank#61  Overall
#7  Key-value stores
Score0.08
Rank#369  Overall
#40  Time Series DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.06
Rank#380  Overall
#50  Document stores
#18  Object oriented DBMS
Websitehazelcast.comnsdb.ioopenmldb.aiorigodb.com
Technical documentationhazelcast.org/­imdg/­docsnsdb.io/­Architectureopenmldb.ai/­docs/­zh/­mainorigodb.com/­docs
DeveloperHazelcast4 Paradigm Inc.Robert Friberg et al
Initial release2008201720202009 infounder the name LiveDB
Current release5.3.6, November 20232024-2 February 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2.0Open SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava, ScalaC++, Java, ScalaC#
Server operating systemsAll OS with a Java VMLinux
macOS
LinuxLinux
Windows
Data schemeschema-freeFixed schemayes
Typing infopredefined data types such as float or dateyesyes: int, bigint, decimal, stringyesUser defined using .NET types and collections
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.yes infothe object must implement a serialization strategynonono infocan be achieved using .NET
Secondary indexesyesall fields are automatically indexedyesyes
SQL infoSupport of SQLSQL-like query languageSQL-like query languageyesno
APIs and other access methodsJCache
JPA
Memcached protocol
RESTful HTTP API
gRPC
HTTP REST
WebSocket
JDBC
SQLAlchemy
.NET Client API
HTTP API
LINQ
Supported programming languages.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
Java
Scala
C++
Go
Java
Python
Scala
.Net
Server-side scripts infoStored proceduresyes infoEvent Listeners, Executor Servicesnonoyes
Triggersyes infoEventsnoyes infoDomain Events
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioninghorizontal partitioning infoclient side managed; servers are not synchronized
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononodepending on model
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataone or two-phase-commit; repeatable reads; read commitednonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesUsing Apache Luceneyesyes infoWrite ahead log
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlRole-based access controlfine grained access rights according to SQL-standardRole based authorization

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More resources
HazelcastNSDbOpenMLDBOrigoDB
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