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DBMS > Elasticsearch vs. EventStoreDB vs. openGemini

System Properties Comparison Elasticsearch vs. EventStoreDB vs. openGemini

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Editorial information provided by DB-Engines
NameElasticsearch  Xexclude from comparisonEventStoreDB  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionA distributed, RESTful modern search and analytics engine based on Apache Lucene infoElasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metricIndustrial-strength, open-source database solution built from the ground up for event sourcing.An open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelSearch engine
Vector DBMS
Event StoreTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score131.85
Rank#8  Overall
#1  Search engines
#1  Vector DBMS
Score1.08
Rank#177  Overall
#1  Event Stores
Score0.00
Rank#388  Overall
#40  Time Series DBMS
Websitewww.elastic.co/­elasticsearchwww.eventstore.comwww.opengemini.org
github.com/­openGemini
Technical documentationwww.elastic.co/­guide/­en/­elasticsearch/­reference/­current/­index.htmldevelopers.eventstore.comdocs.opengemini.org/­guide
DeveloperElasticEvent Store LimitedHuawei and openGemini community
Initial release201020122022
Current release8.6, January 202321.2, February 20211.1, July 2023
License infoCommercial or Open SourceOpen Source infoElastic LicenseOpen SourceOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaGo
Server operating systemsAll OS with a Java VMLinux
Windows
Linux
Windows
Data schemeschema-free infoFlexible type definitions. Once a type is defined, it is persistentschema-free
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, String
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.nono
Secondary indexesyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLSQL-like query languageSQL-like query language
APIs and other access methodsJava API
RESTful HTTP/JSON API
HTTP REST
Supported programming languages.Net
Groovy
Community Contributed Clients
Java
JavaScript
Perl
PHP
Python
Ruby
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresyesno
Triggersyes infoby using the 'percolation' featureno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsES-Hadoop Connectorno
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 integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Memcached and Redis integrationyes
User concepts infoAccess controlAdministrators and common users accounts

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More resources
ElasticsearchEventStoreDBopenGemini
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Recent citations in the news

Elasticsearch will be open source again as CTO declares changed landscape
2 September 2024, DevClass

Elastic founder on returning to open source four years after going proprietary
29 September 2024, TechCrunch

Elasticsearch Open Inference API now Supports Google AI Studio
27 September 2024, Business Wire

The Big Interview: Elastic CTO Shay Banon on suing AWS, returning to OSS, and GenAI
1 October 2024, The Stack

Elasticsearch Open Inference API now Supports Google AI Studio
27 September 2024, StockTitan

provided by Google News

Open Source @ Huawei
9 February 2022, Huawei

provided by Google News



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