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DBMS > Apache Solr vs. Dgraph vs. Kuzu

System Properties Comparison Apache Solr vs. Dgraph vs. Kuzu

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Editorial information provided by DB-Engines
NameApache Solr  Xexclude from comparisonDgraph  Xexclude from comparisonKuzu  Xexclude from comparison
DescriptionA widely used distributed, scalable search engine based on Apache LuceneDistributed and scalable native Graph DBMSAn embeddable property Graph DBMS built for query speed and scalability
Primary database modelSearch engineGraph DBMSGraph DBMS
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score32.69
Rank#24  Overall
#3  Search engines
Score1.20
Rank#164  Overall
#15  Graph DBMS
Score0.02
Rank#367  Overall
#38  Graph DBMS
Websitesolr.apache.orgdgraph.iokuzudb.com
Technical documentationsolr.apache.org/­resources.htmldgraph.io/­docsdocs.kuzudb.com
DeveloperApache Software FoundationDgraph Labs, Inc.
Initial release200620162022
Current release9.6.1, May 20240.4.2, May 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache 2.0Open Source infoMIT license
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaGoC++
Server operating systemsAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Linux
OS X
Windows
server-less
Data schemeyes infoDynamic Fields enables on-the-fly addition of new fieldsschema-freeyes
Typing infopredefined data types such as float or dateyes infosupports customizable data types and automatic typingyesyes
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.yesnono
Secondary indexesyes infoAll search fields are automatically indexedyesno
SQL infoSupport of SQLSolr Parallel SQL Interfacenono
APIs and other access methodsJava API
RESTful HTTP/JSON API
GraphQL query language
gRPC (using protocol buffers) API
HTTP API
CLI Client
Cypher Query Language
Supported programming languages.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
C
C#
C++
Java
JavaScript
Python
Rust
Server-side scripts infoStored proceduresJava pluginsnono
Triggersyes infoUser configurable commands triggered on index changesnono
Partitioning methods infoMethods for storing different data on different nodesShardingyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSynchronous replication via Raftnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsspark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic lockingACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyesno infoPlanned for future releasesno

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More resources
Apache SolrDgraphKuzu
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