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DBMS > Nebula Graph vs. Solr

System Properties Comparison Nebula Graph vs. Solr

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Our visitors often compare Nebula Graph and Solr with Neo4j, ArangoDB and Microsoft Azure Cosmos DB.

Editorial information provided by DB-Engines
NameNebula Graph  Xexclude from comparisonSolr  Xexclude from comparison
DescriptionA distributed, linear scalable, high perfomant Graph DBMSA widely used distributed, scalable search engine based on Apache Lucene
Primary database modelGraph DBMSSearch engine
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.08
Rank#169  Overall
#14  Graph DBMS
Score55.70
Rank#20  Overall
#3  Search engines
Websitegithub.com/­vesoft-inc/­nebula
nebula-graph.io
lucene.apache.org/­solr
Technical documentationdocs.nebula-graph.iolucene.apache.org/­solr/­resources.html
DeveloperVesoft Inc.Apache Software Foundation
Initial release20192006
Current release9.0.0, May 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Java
Server operating systemsLinuxAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)
Data schemeStrong typed schemayes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyesyes infosupports customizable data types and automatic typing
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.noyes
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.yes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like query languageSolr Parallel SQL Interface
APIs and other access methodsBrowser interface
console (shell)
Proprietary native API
Query language nGQL
Java API
RESTful HTTP/JSON API
Supported programming languagesC++
Go
Java
Python
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresJava plugins
Triggersyes infoUser configurable commands triggered on index changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocolyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlRole-based access controlyes
More information provided by the system vendor
Nebula GraphSolr
Specific characteristicsNebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
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Competitive advantagesNebula Graph boasts the world's only graph database solution that is able to host...
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Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
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Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
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Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
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