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DBMS > Datomic vs. Ehcache vs. NebulaGraph vs. Newts vs. PieCloudDB

System Properties Comparison Datomic vs. Ehcache vs. NebulaGraph vs. Newts vs. PieCloudDB

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonEhcache  Xexclude from comparisonNebulaGraph  Xexclude from comparisonNewts  Xexclude from comparisonPieCloudDB  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA widely adopted Java cache with tiered storage optionsA distributed, linear scalable, high perfomant Graph DBMSTime Series DBMS based on CassandraA cloud-native analytic database platform with new technologoy for elastic MPP
Primary database modelRelational DBMSKey-value storeGraph DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score4.79
Rank#66  Overall
#8  Key-value stores
Score1.92
Rank#122  Overall
#11  Graph DBMS
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score0.37
Rank#271  Overall
#127  Relational DBMS
Websitewww.datomic.comwww.ehcache.orggithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
opennms.github.io/­newtswww.openpie.com
Technical documentationdocs.datomic.comwww.ehcache.org/­documentationdocs.nebula-graph.iogithub.com/­OpenNMS/­newts/­wiki
DeveloperCognitectTerracotta Inc, owned by Software AGVesoft Inc.OpenNMS GroupOpenPie
Initial release2012200920192014
Current release1.0.7180, July 20243.10.0, March 20222.1, January 2023
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoApache 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureJavaC++Java
Server operating systemsAll OS with a Java VMAll OS with a Java VMLinuxLinux
OS X
Windows
hosted
Data schemeyesschema-freeStrong typed schemaschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nononono
Secondary indexesyesnoyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.noyes
SQL infoSupport of SQLnonoSQL-like query languagenoyes
APIs and other access methodsRESTful HTTP APIJCacheBrowser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
HTTP REST
Java API
CLI Client
JDBC
ODBC
Supported programming languagesClojure
Java
Java.Net
C++
Go
Java
PHP
Python
JavaJava
PL/SQL
Python
R
Server-side scripts infoStored proceduresyes infoTransaction Functionsnouser defined functionsnouser defined functions
TriggersBy using transaction functionsyes infoCache Event Listenersnono
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding infoby using Terracotta ServerShardingSharding infobased on Cassandrayes
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersyes infoby using Terracotta ServerCausal Clustering using Raft protocolselectable replication factor infobased on Cassandrayes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infosupports JTA and can work as an XA resourceACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes infousing a tiered cache-storage approachyes infousing RocksDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentyesyesno
User concepts infoAccess controlnonoRole-based access controlnoUser Roles and pluggable authentication with full SQL Standard
More information provided by the system vendor
DatomicEhcacheNebulaGraphNewtsPieCloudDB
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
PieCloudDB, OpenPie's flagship product, is a cutting-edge cloud-native data warehouse....
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
Extreme Elastic: PieCloudDB utilizes a cutting-edge eMPP cloud-native architecture...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
PieCloudDB is ideal for Data mining applications that require extreme scalability...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Sail-Cloud China Shipbuilding Group Haizhou System Soochow Securities ​etc.,
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more
PieCloudDB Community Edition: Community License, Free Download, Self-Hosted Deployment;...
» more

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More resources
DatomicEhcacheNebulaGraphNewtsPieCloudDB
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