DBMS > DuckDB vs. openGemini vs. OpenSearch

System Properties Comparison DuckDB vs. openGemini vs. OpenSearch

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Editorial information provided by DB-Engines

Name

Description

An embeddable, in-process, column-oriented SQL OLAP RDBMS

An open source distributed Time Series DBMS with high concurrency, high performance, and high scalability

A distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache Lucene

Primary database model

Relational DBMS

Time Series DBMS

Search engine

Secondary database models

Vector DBMS

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

Score	6.35
Rank	#54	Overall
	#32	Relational DBMS

Score	0.00
Rank	#381	Overall
	#40	Time Series DBMS

Score	16.85
Rank	#33	Overall
	#4	Search engines

Website

duckdb.org

www.opengemini.org
github.com/openGemini

github.com/opensearch-project
opensearch.org

Technical documentation

duckdb.org/docs

docs.opengemini.org/guide

opensearch.org/docs/latest

Developer

Huawei and openGemini community

Amazon Web Services

Initial release

2018

2022

2021

Current release

1.0.0, June 2024

1.1, July 2023

2.5.0, January 2023

License

Commercial or Open Source

Open Source

MIT License

Open Source

Apache Version 2.0

Open Source

Apache Version 2.0

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.

Implementation language

C++

Java

Server operating systems

server-less

Linux
Windows

All OS with a Java VM

Data scheme

yes

schema-free

Flexible type definitions. Once a type is defined, it is persistent

Typing

predefined data types such as float or date

yes

Integer, Float, Boolean, String

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.

Secondary indexes

yes

All search fields are automatically indexed

SQL

Support of SQL

yes

SQL-like query language

APIs and other access methods

Arrow Database Connectivity (ADBC)
CLI Client
JDBC
ODBC

HTTP REST

Java API
RESTful HTTP/JSON API

Supported programming languages

C
C#

3rd party driver
C++
Crystal

3rd party driver
Go

3rd party driver
Java
Lisp

3rd party driver
Python
R
Ruby

3rd party driver
Rust
Swift
Zig

3rd party driver

C
C++
Go
Java
JavaScript (Node.js)
Python
Rust

Go
Java
JavaScript (Node.js)
PHP
Python
Ruby

Elasticsearch client

Server-side scripts

Stored procedures

yes

Triggers

yes

by using the 'percolation' feature

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

none

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Eventual Consistency

Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all

Foreign keys

Referential integrity

Transaction concepts

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

ACID

Concurrency

Support for concurrent manipulation of data

yes, multi-version concurrency control (MVCC)

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

Administrators and common users accounts

More information provided by the system vendor

Specific characteristics

OpenSearch is a highly scalable and extensible open-source software suite for search,...
» more

Competitive advantages

Distributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
» more

Typical application scenarios

The OpenSearch platform is used across a broad range of search , analytics, and observability...
» more

Licensing and pricing models

The OpenSearch Project offers open source software licensed under Apache License...
» more

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More resources

Recent citations in the news

Polars & DuckDB in the JSONgle
8 February 2025, substack.com

A Guide to Data Analysis in Python with DuckDB
18 November 2024, KDnuggets

MotherDuck Announces Beta Release of pg_duckdb; Brings DuckDB's Analytics Power to PostgreSQL Users
24 October 2024, PR Newswire

DuckDB + Webassembly = WhatTheDuck
2 January 2025, iProgrammer

My First Billion (of Rows) in DuckDB
1 May 2024, Towards Data Science

provided by Google News

Huawei OpenGemini cloud series joined OpenEuler
17 March 2023, HC Newsroom

Open Source @ Huawei
9 February 2022, Huawei

provided by Google News

Use DeepSeek with Amazon OpenSearch Service vector databases and Amazon SageMaker
7 February 2025, AWS Blog

OfferUp improved local results by 54% and relevance recall by 27% with multimodal search on Amazon Bedrock and Amazon OpenSearch Service
5 February 2025, AWS Blog

Amazon CloudWatch and OpenSearch Service expand region support for integrated analytics experience
4 February 2025, AWS Blog

How to deploy an Amazon OpenSearch cluster to ingest logs from Amazon Security Lake
30 January 2025, AWS Blog

Generate vector embeddings for your data using AWS Lambda as a processor for Amazon OpenSearch Ingestion
21 January 2025, AWS Blog

provided by Google News

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