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DBMS > Druid vs. Nebula Graph vs. Splunk

System Properties Comparison Druid vs. Nebula Graph vs. Splunk

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Editorial information provided by DB-Engines
NameDruid  Xexclude from comparisonNebula Graph  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionOpen-source analytics data store designed for OLAP queries on timeseries dataA distributed, linear scalable, high perfomant Graph DBMSAnalytics Platform for Big Data
Primary database modelRelational DBMS
Time Series DBMS
Graph DBMSSearch engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.92
Rank#113  Overall
#55  Relational DBMS
#7  Time Series DBMS
Score0.16
Rank#271  Overall
#23  Graph DBMS
Score88.08
Rank#13  Overall
#2  Search engines
Websitedruid.apache.orggithub.com/­vesoft-inc/­nebula
nebula-graph.io
www.splunk.com
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.nebula-graph.iodocs.splunk.com/­Documentation/­Splunk
DeveloperMetamarkets Group and contributorsVesoft Inc.Splunk Inc.
Initial release201220192003
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoApache Version 2.0 + Common Clause 1.0commercial infoLimited free edition and free 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.
Implementation languageJavaC++
Server operating systemsLinux
OS X
Unix
LinuxLinux
OS X
Solaris
Windows
Data schemeyes infoschema-less columns are supportedStrong typed schemayes
Typing infopredefined data types such as float or dateyesyesyes
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.nonoyes
Secondary indexesyesyes 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 support via Apache Calcite adapterSQL-like query languageno infoSplunk Search Processing Language for search commands
APIs and other access methodsJSON over HTTPBrowser interface
console (shell)
Proprietary native API
Query language nGQL
HTTP REST
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C++
Go
Java
Python
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoyes
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesCausal Clustering using Raft protocolMaster-master replication
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 integritynoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.noyesno
User concepts infoAccess controlno infoavailable via extensionsRole-based access controlAccess rights for users and roles
More information provided by the system vendor
DruidNebula GraphSplunk
Specific characteristicsNebula Graph is a truly distributed, linear scalable, lightning-fast graph database,...
» more
Competitive advantagesNebula Graph 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 customersCurrently we have some top internet companies in China implementing Nebula Graph...
» more
Market metricsAt our very early stage, Nebula Graph has already received over a thousand stars...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
News

Nebula Graph RC4 Release Note
2 April 2020

The Review on Graph Database
31 March 2020

How Nebula Graph Automatically Cleans Stale Data with TTL
24 March 2020

Automating Your Project Processes with Github Actions
17 March 2020

How Indexing Works in Nebula Graph
12 March 2020

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
DruidNebula GraphSplunk
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