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Nebula Graph System Properties

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Editorial information provided by DB-Engines
NameNebula Graph
DescriptionA distributed, linear scalable, high perfomant Graph DBMS
Primary database modelGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systems
Rank#300  Overall
#29  Graph DBMS
Technical documentationdocs.nebula-graph.io
DeveloperVesoft Inc.
Initial release2019
License infoCommercial or Open SourceOpen Source infoApache Version 2.0 + Common Clause 1.0
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++
Server operating systemsLinux
Data schemeStrong typed schema
Typing infopredefined data types such as float or dateyes
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.no
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.
SQL infoSupport of SQLSQL-like query language
APIs and other access methodsBrowser interface
console (shell)
Proprietary native API
Query language nGQL
Supported programming languagesC++
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlRole-based access control
More information provided by the system vendor
Nebula Graph
Specific characteristics

Nebula Graph is a truly distributed, linear scalable, lightning-fast graph database, while still providing millisecond latency, high availability and data security. Key features include:

  1. Open source. We believe in the power of community. That's why we choose to be Open Source from the very beginning. With the contribution and commitment from graph database advocates all over the globel, Nebula Graph can be the world's most advanced graph database.
  2. High performance. Nebula Graph provides low latency read and write, while still maintaining high throughput.
  3. SQL-like query language. Nebula Grap's SQL-like query language is easy to pick up yet powerful enough to meet complex business scenarios.
  4. Highly secured graph database. With role-based access control, Nebula Graph only allows authenticated access.
  5. Horizontal and vertical scalability. With shared-nothing distributed architecture, Nebula Graph offers linear scalability.
  6. Extensible. Nebula Graph supports multiple storage engine types and multiple computing frameworks.
  7. Data integrity via ACID transaction. With distributed ACID transaction support, Nebula Graph ensures data integrity.
  8. Highly available. Nebula Graph guarantees high availability even in case of failures.
Competitive advantages

Nebula Graph boasts the world's only graph database solution that is able to host graphs with dozens of billions of vertices and trillions of edges, while still providing millisecond latency, high availability and data security.

Typical application scenarios
  1. Social networking
  2. Fraud detection
  3. Knowledge graph
  4. Data warehouse management
  5. Anti money laundery
  6. Graph analytics and algorithms
  7. Artificial intelligence
  8. Graph Embedding
Key customers

Currently we have some top internet companies in China implementing Nebula Graph at trial stage. More are waiting in queue to use Nebula Graph in their production.

Market metrics

At our very early stage, Nebula Graph has already received over a thousand stars and hundreds of downloads and installs. And the numbers are counting.

Licensing and pricing models

Nebula Graph is open source and free to use under Apache 2.0 license and Common Clause 1.0.

Related products and services

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