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DBMS > GeoMesa vs. OpenMLDB

System Properties Comparison GeoMesa vs. OpenMLDB

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Editorial information provided by DB-Engines
NameGeoMesa  Xexclude from comparisonOpenMLDB  Xexclude from comparison
DescriptionGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.An open-source machine learning database that provides a feature platform for training and inference
Primary database modelSpatial DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.74
Rank#215  Overall
#4  Spatial DBMS
Score0.08
Rank#347  Overall
#33  Time Series DBMS
Websitewww.geomesa.orgopenmldb.ai
Technical documentationwww.geomesa.org/­documentation/­stable/­user/­index.htmlopenmldb.ai/­docs/­zh/­main
DeveloperCCRi and others4 Paradigm Inc.
Initial release20142020
Current release5.0.1, July 20242024-2 February 2024
License infoCommercial or Open SourceOpen Source infoApache License 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageScalaC++, Java, Scala
Server operating systemsLinux
Data schemeyesFixed schema
Typing infopredefined data types such as float or dateyesyes
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 indexesyesyes
SQL infoSupport of SQLnoyes
APIs and other access methodsJDBC
SQLAlchemy
Supported programming languagesC++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresnono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesdepending on storage layerhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layerSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes
Consistency concepts infoMethods to ensure consistency in a distributed systemdepending on storage layerImmediate Consistency
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.depending on storage layeryes
User concepts infoAccess controlyes infodepending on the DBMS used for storagefine grained access rights according to SQL-standard

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More resources
GeoMesaOpenMLDB
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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