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DBMS > OpenSearch

OpenSearch System Properties

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Our visitors often compare OpenSearch with Elasticsearch, Microsoft Azure AI Search and Amazon CloudSearch.

Editorial information provided by DB-Engines
NameOpenSearch
DescriptionA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache Lucene
Primary database modelSearch engine
Vector DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score16.90
Rank#32  Overall
#4  Search engines
#2  Vector DBMS
Websitegithub.com/­opensearch-project
opensearch.org
Technical documentationopensearch.org/­docs/­latest
DeveloperThe OpenSearch Software Foundation
Initial release2021
Current release2.19, February 2025
License infoCommercial or Open SourceOpen Source infoApache Version 2.0
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 languageJava
Server operating systemsAll OS with a Java VM
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistent
Typing infopredefined data types such as float or dateyes
Secondary indexesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like query language
APIs and other access methodsJava API
RESTful HTTP/JSON API
Supported programming languagesGo
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
Server-side scripts infoStored proceduresyes
Triggersyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes

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More resources
OpenSearch
Recent citations in the news

Visualizing Amazon DynamoDB data with Amazon OpenSearch Service and Amazon Managed Grafana
30 May 2025, Amazon Web Services (AWS)

OpenSearch 3.0: Vector Search Gets the Open Source Performance Boost AI Applications Need
22 May 2025, Cloud Native Now

OpenSearch in 2025: Much more than an Elasticsearch fork
28 April 2025, InfoWorld

Can OpenSearch Shut Down Those Bad Vector Search Results?
30 May 2025, The New Stack

OpenSearch UI: Six months in review
23 May 2025, Amazon Web Services (AWS)

provided by Google News



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