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DBMS > Apache Solr vs. EventStoreDB

System Properties Comparison Apache Solr vs. EventStoreDB

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Editorial information provided by DB-Engines
NameApache Solr  Xexclude from comparisonEventStoreDB  Xexclude from comparison
DescriptionA widely used distributed, scalable search engine based on Apache LuceneIndustrial-strength, open-source database solution built from the ground up for event sourcing.
Primary database modelSearch engineEvent Store
Secondary database modelsSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score32.47
Rank#24  Overall
#3  Search engines
Score1.07
Rank#177  Overall
#1  Event Stores
Websitesolr.apache.orgwww.eventstore.com
Technical documentationsolr.apache.org/­resources.htmldevelopers.eventstore.com
DeveloperApache Software FoundationEvent Store Limited
Initial release20062012
Current release9.6.1, May 202421.2, February 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Linux
Windows
Data schemeyes infoDynamic Fields enables on-the-fly addition of new fields
Typing infopredefined data types such as float or dateyes 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.yes
Secondary indexesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSolr Parallel SQL Interface
APIs and other access methodsJava API
RESTful HTTP/JSON API
Supported programming languages.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 nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsspark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduce
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyes

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More resources
Apache SolrEventStoreDB
Recent citations in the news

Migrate from Apache Solr to OpenSearch
18 July 2024, AWS Blog

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19 November 2024, news.stocktradersdaily.com

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27 February 2024, Daily Northwestern

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27 July 2024, Wiley Online Library

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28 May 2024, Yahoo Finance

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provided by Google News



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