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DBMS > IRONdb vs. Nebula Graph vs. SingleStore

System Properties Comparison IRONdb vs. Nebula Graph vs. SingleStore

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Editorial information provided by DB-Engines
NameIRONdb  Xexclude from comparisonNebula Graph  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparison
DescriptionA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityA distributed, linear scalable, high perfomant Graph DBMSMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage
Primary database modelTime Series DBMSGraph DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#335  Overall
#31  Time Series DBMS
Score0.92
Rank#175  Overall
#15  Graph DBMS
Score5.51
Rank#65  Overall
#37  Relational DBMS
Websitewww.circonus.com/­solutions/­time-series-databasegithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.singlestore.com
Technical documentationdocs.circonus.com/­irondbdocs.nebula-graph.iodocs.singlestore.com
DeveloperCirconus LLC.Vesoft Inc.SingleStore Inc.
Initial release201720192013
Current releaseV0.10.20, January 20187.1.11, October 2020
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0 + Common Clause 1.0commercial infofree developer edition available
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.
SingleStore Managed Service: The world's fastest, most capable cloud database for operational analytics, machine learning, & AI. Available instantly with multi-cloud and hybrid-cloud capabilities.
Implementation languageC and C++C++C++
Server operating systemsLinuxLinuxLinux info64 bit version required
Data schemeschema-freeStrong typed schemayes
Typing infopredefined data types such as float or dateyes infotext, numeric, histogramsyesyes
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 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.yes
SQL infoSupport of SQLSQL-like query language (Circonus Analytics Query Language: CAQL)SQL-like query languageyes, but no triggers and foreign keys
APIs and other access methodsHTTP APIBrowser interface
console (shell)
Proprietary native API
Query language nGQL
JDBC
ODBC
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
C++
Go
Java
Python
Bash
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyes, in Luayes
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesAutomatic, metric affinity per nodeShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesconfigurable replication factor, datacenter awareCausal Clustering using Raft protocolSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate consistency per node, eventual consistency across nodesImmediate ConsistencyImmediate Consistency only within each node
Foreign keys infoReferential integritynoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infoOnly isolation level: READ COMMITED
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnoRole-based access controlfine grained access rights according to SQL-standard
More information provided by the system vendor
IRONdbNebula GraphSingleStore infoformer name was MemSQL
Specific characteristicsIRONdb is a highly available, distributed Time Series Database. It can support dozens...
» more
Nebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesUnmatched Scalability IRONdb is unique among TSDBs in that it does not use a consensus...
» more
Nebula Graph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosReal Systems Monitoring Monitor your systems infrastructure in real time across thousands...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersIRONdb serves the needs of the world's largest Time Series Database customers. One...
» more
Currently we have some top internet companies in China implementing Nebula Graph...
» more
Market metricsOnly TSDB capable of scaling to billions of metrics. Only TSDB to scale to dozens...
» more
At our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsIRONdb is licensed under a subscription model based on the number of active metrics...
» more
Nebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
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7 January 2021

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Nebula Graph v1.2.0 Release Note
8 December 2020

Pick of the Week at Nebula Graph - Schema design in Nebula Graph
4 December 2020

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.

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More resources
IRONdbNebula GraphSingleStore infoformer name was MemSQL
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