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DBMS > Apache Druid vs. Nebula Graph vs. Quasardb

System Properties Comparison Apache Druid vs. Nebula Graph vs. Quasardb

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Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonNebula Graph  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataA distributed, linear scalable, high perfomant Graph DBMSDistributed, high-performance timeseries database
Primary database modelRelational DBMS
Time Series DBMS
Graph DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.81
Rank#100  Overall
#51  Relational DBMS
#6  Time Series DBMS
Score1.04
Rank#170  Overall
#15  Graph DBMS
Score0.21
Rank#282  Overall
#22  Time Series DBMS
Websitedruid.apache.orggithub.com/­vesoft-inc/­nebula
nebula-graph.io
quasardb.net
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.nebula-graph.iodoc.quasardb.net
DeveloperApache Software Foundation and contributorsVesoft Inc.quasardb
Initial release201220192009
Current release0.21.0, April 20213.1, January 2019
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoApache Version 2.0 + Common Clause 1.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
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++C++
Server operating systemsLinux
OS X
Unix
LinuxBSD
Linux
OS X
Windows
Data schemeyes infoschema-less columns are supportedStrong typed schemaschema-free
Typing infopredefined data types such as float or dateyesyesyes infointeger and binary
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 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 infowith tags
SQL infoSupport of SQLSQL for queryingSQL-like query languageSQL-like query language
APIs and other access methodsJDBC
RESTful HTTP/JSON API
Browser interface
console (shell)
Proprietary native API
Query language nGQL
HTTP API
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C++
Go
Java
Python
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesCausal Clustering using Raft protocolSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infousing RocksDByes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infoTransient mode
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemRole-based access controlCryptographically strong user authentication and audit trail
More information provided by the system vendor
Apache DruidNebula GraphQuasardb
Specific characteristicsNebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
» more
Competitive advantagesNebula Graph boasts the world's only graph database solution that is able to host...
» more
High performance in a cost-effective small package Real-time results for even large...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Tick database Predictive maintenance Pre-deal checks Large scale monitoring
» more
Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
» more
Large EU investment banks US based hedge funds Orolia Tellmeplus
» more
Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Has been running in very demanding production environments since 2013 Rapid adoption...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
Community edition limited to 2 nodes and 16 GiB of storage per node available for...
» more
News

Community Contribution | Nebula Graph 2.0 Performance Testing
18 June 2021

BDD-Based Integration Testing Framework for Nebula Graph: Part Ⅰ
10 June 2021

Using Ansible to Automate Deployment of Nebula Graph Cluster
4 June 2021

Handling Tens of Billions of Threat Intelligence Data with Graph Database at Kuaishou
27 May 2021

Storage Format in Nebula Graph v2.0.0
12 May 2021

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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
Apache DruidNebula GraphQuasardb
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