DBMS > Apache Solr vs. OrientDB

System Properties Comparison Apache Solr vs. OrientDB

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Our visitors often compare Apache Solr and OrientDB with PostgreSQL, Neo4j and Apache Cassandra.

Editorial information provided by DB-Engines

Name

Description

A widely used distributed, scalable search engine based on Apache Lucene

Multi-model DBMS (Document, Graph, Key/Value)

Primary database model

Search engine

Document store
Graph DBMS
Key-value store

Secondary database models

Spatial DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	34.15
Rank	#24	Overall
	#3	Search engines

Score	3.02
Rank	#88	Overall
	#16	Document stores
	#6	Graph DBMS
	#12	Key-value stores

Website

solr.apache.org

orientdb.org

Technical documentation

solr.apache.org/resources.html

www.orientdb.com/docs/last/index.html

Developer

Apache Software Foundation

OrientDB LTD; CallidusCloud; SAP

Initial release

2006

2010

Current release

9.6.1, May 2024

3.2.29, March 2024

License

Commercial or Open Source

Open Source

Apache Version 2

Open Source

Apache version 2

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

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Implementation language

Java

Server operating systems

All OS with a Java VM

runs as a servlet in servlet container (e.g. Tomcat, Jetty is included)

All OS with a Java JDK (>= JDK 6)

Data scheme

yes

Dynamic Fields enables on-the-fly addition of new fields

schema-free

Schema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")

Typing

predefined data types such as float or date

yes

supports customizable data types and automatic typing

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

yes

Secondary indexes

yes

All search fields are automatically indexed

yes

SQL

Support of SQL

Solr Parallel SQL Interface

SQL-like query language, no joins

APIs and other access methods

Java API
RESTful HTTP/JSON API

Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java 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

.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala

Server-side scripts

Stored procedures

Java plugins

Java, Javascript

Triggers

yes

User configurable commands triggered on index changes

Hooks

Partitioning methods

Methods for storing different data on different nodes

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

yes

Multi-source replication

MapReduce

Offers an API for user-defined Map/Reduce methods

spark-solr: github.com/lucidworks/spark-solr and streaming expressions to reduce

could be achieved with distributed queries

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

Foreign keys

Referential integrity

yes

relationship in graphs

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

optimistic locking

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

yes

Access rights for users and roles; record level security configurable

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Recent citations in the news

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

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17 September 2024, Simply Wall St

(SOLR) Investment Analysis
15 September 2024, Stock Traders Daily

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27 February 2024, Daily Northwestern

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28 May 2024, Yahoo Finance

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21 January 2022, Open Source For You

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20 September 2019, Towards Data Science

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14 March 2019, VentureBeat

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22 October 2023, Solutions Review

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