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DBMS > Nebula Graph vs. Postgres-XL vs. Riak KV

System Properties Comparison Nebula Graph vs. Postgres-XL vs. Riak KV

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Editorial information provided by DB-Engines
NameNebula Graph  Xexclude from comparisonPostgres-XL  Xexclude from comparisonRiak KV  Xexclude from comparison
DescriptionA distributed, linear scalable, high perfomant Graph DBMSBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresDistributed, fault tolerant key-value store
Primary database modelGraph DBMSRelational DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexes
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.14
Rank#164  Overall
#15  Graph DBMS
Score0.72
Rank#204  Overall
#99  Relational DBMS
Score6.09
Rank#64  Overall
#7  Key-value stores
Websitegithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.postgres-xl.orgriak.com/­products/­riak-kv
Technical documentationdocs.nebula-graph.iowww.postgres-xl.org/­documentation
DeveloperVesoft Inc.Basho Technologies
Initial release20192014 infosince 2012, originally named StormDB2009
Current release10 R1, October 20182.1.0, April 2015
License infoCommercial or Open SourceOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoMozilla public licenseOpen Source infoApache version 2, commercial enterprise edition
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++CErlang
Server operating systemsLinuxLinux
macOS
Linux
OS X
Data schemeStrong typed schemayesschema-free
Typing infopredefined data types such as float or dateyesyesno
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.noyes infoXML type, but no XML query functionalityno
Secondary indexesyes 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.yesrestricted
SQL infoSupport of SQLSQL-like query languageyes infodistributed, parallel query executionno
APIs and other access methodsBrowser interface
console (shell)
Proprietary native API
Query language nGQL
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP API
Native Erlang Interface
Supported programming languagesC++
Go
Java
Python
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
Server-side scripts infoStored proceduresuser defined functionsJavaScript and Erlang
Triggersyesyes infopre-commit hooks and post-commit hooks
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocolselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsyesno infolinks between data sets can be stored
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoMVCCno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infousing RocksDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlRole-based access controlfine grained access rights according to SQL-standardno
More information provided by the system vendor
Nebula GraphPostgres-XLRiak KV
News

How to compute the Betweenness Centrality against Nebula Graph
17 December 2021

How to Perform Load Testing against Nebula Graph with K6
1 December 2021

How to Select a Graph Database: Best Practices at RoyalFlush
17 November 2021

Nebula Hackathon 2021 is live now!
16 November 2021

Nebula Graph v2.6.0 Performance Report
12 November 2021

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More resources
Nebula GraphPostgres-XLRiak KV
Recent citations in the news

Third Time Is The Charm For Nebula Graph Database
19 January 2021, The Next Platform

The future of graph database: vesoft unveils Nebula Graph 2.0 GA
24 March 2021, PR Web

Nebula Graph Joins Database Race
15 June 2020, Datanami

Graph Database Startup Vesoft Seeks Funds at $1 Billion Value
5 July 2021, Bloomberg

The untapped potential of HPC + graph computing
30 October 2021, VentureBeat

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Building a scalable PostgreSQL solution
14 April 2019, Packt Hub

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Is Riak A Good NoSQL Database Option?
1 July 2019, Analytics India Magazine

Basho, Maker of Riak NoSQL Database, Raises $25M
13 January 2015, Data Center Knowledge

Riak NoSQL Database: Use Cases and Best Practices
23 December 2011, InfoQ.com

​Basho's Riak 2.1 database zooms in on better write speeds
8 April 2015, ZDNet

Basho rolls out open source version of its Riak TS database
5 May 2016, ZDNet

provided by Google News

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