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DBMS > LevelDB vs. NebulaGraph vs. Percona Server for MongoDB vs. RethinkDB

System Properties Comparison LevelDB vs. NebulaGraph vs. Percona Server for MongoDB vs. RethinkDB

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonNebulaGraph  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA distributed, linear scalable, high perfomant Graph DBMSA drop-in replacement for MongoDB Community Edition with enterprise-grade features.DBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelKey-value storeGraph DBMSDocument storeDocument store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.35
Rank#111  Overall
#19  Key-value stores
Score2.14
Rank#120  Overall
#10  Graph DBMS
Score0.52
Rank#254  Overall
#39  Document stores
Score2.74
Rank#105  Overall
#19  Document stores
Websitegithub.com/­google/­leveldbgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
www.percona.com/­mongodb/­software/­percona-server-for-mongodbrethinkdb.com
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mddocs.nebula-graph.iodocs.percona.com/­percona-distribution-for-mongodbrethinkdb.com/­docs
DeveloperGoogleVesoft Inc.PerconaThe Linux Foundation infosince July 2017
Initial release2011201920152009
Current release1.23, February 20213.4.10-2.10, November 20172.4.1, August 2020
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoGPL Version 2Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++C++C++
Server operating systemsIllumos
Linux
OS X
Windows
LinuxLinuxLinux
OS X
Windows
Data schemeschema-freeStrong typed schemaschema-freeschema-free
Typing infopredefined data types such as float or datenoyesyesyes infostring, binary, float, bool, date, geometry
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 indexesnoyes 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.yesyes
SQL infoSupport of SQLnoSQL-like query languagenono
APIs and other access methodsBrowser 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
proprietary protocol using JSON
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C++
Go
Java
PHP
Python
Actionscript
C
C#
C++
Clojure
ColdFusion
D
Dart
Delphi
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Scala
Smalltalk
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresnouser defined functionsJavaScript
TriggersnonoClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardingSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesnoneCausal Clustering using Raft protocolSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoMVCC based
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infousing RocksDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infovia In-Memory Engineno
User concepts infoAccess controlnoRole-based access controlAccess rights for users and rolesyes infousers and table-level permissions
More information provided by the system vendor
LevelDBNebulaGraphPercona Server for MongoDBRethinkDB
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» 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

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More resources
LevelDBNebulaGraphPercona Server for MongoDBRethinkDB
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