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DBMS > Blueflood vs. LeanXcale vs. Nebula Graph

System Properties Comparison Blueflood vs. LeanXcale vs. Nebula Graph

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Editorial information provided by DB-Engines
NameBlueflood  Xexclude from comparisonLeanXcale  Xexclude from comparisonNebula Graph  Xexclude from comparison
DescriptionScalable TimeSeries DBMS based on CassandraA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesA distributed, linear scalable, high perfomant Graph DBMS
Primary database modelTime Series DBMSKey-value store
Relational DBMS
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#357  Overall
#33  Time Series DBMS
Score0.15
Rank#299  Overall
#44  Key-value stores
#138  Relational DBMS
Score1.08
Rank#171  Overall
#14  Graph DBMS
Websiteblueflood.iowww.leanxcale.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
Technical documentationgithub.com/­rackerlabs/­blueflood/­wikidocs.nebula-graph.io
DeveloperRackspaceLeanXcaleVesoft Inc.
Initial release201320152019
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialOpen Source infoApache Version 2.0 + Common Clause 1.0
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
Linux
Data schemepredefined schemeyesStrong typed schema
Typing infopredefined data types such as float or dateyesyes
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.nono
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.
SQL infoSupport of SQLnoyes infothrough Apache DerbySQL-like query language
APIs and other access methodsHTTP RESTJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
Browser interface
console (shell)
Proprietary native API
Query language nGQL
Supported programming languagesC
Java
Scala
C++
Go
Java
Python
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandraCausal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes infoRelationships in graphs
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 persistentyesyesyes infousing RocksDB
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 control
More information provided by the system vendor
BluefloodLeanXcaleNebula Graph
Specific characteristicsFull ACID and full SQL operational database with analytical queries over operational...
» more
Nebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesLinear scalability upto 100s of nodes (tested with 100 nodes and TPC-C).
» more
Nebula Graph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosHybrid Transactional-Analytical Processing (HTAP) requiring an operational database...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersbanking/finance/fintech, telco, insurance, traveltech, M2M/IoT, retail
» more
Currently we have some top internet companies in China implementing Nebula Graph...
» more
Market metrics15 beta testers
» more
At our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsannual fee covering license and support based on number of physical cores
» more
Nebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more

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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
BluefloodLeanXcaleNebula Graph
Recent citations in the news

Nebula Graph Takes Another Step to Lead Global Graph Database Market With the Release of V3.0.0
18 February 2022, MarTech Series

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

Nebula Graph Joins Database Race
15 June 2020, Datanami

The World's Most Capable Graph Database, Nebula Graph™, Debuts for Unmatched Big Data Analytics Discovery
29 June 2020, PR Web

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

provided by Google News



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