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DBMS > Dragonfly vs. H2GIS vs. PostGIS

System Properties Comparison Dragonfly vs. H2GIS vs. PostGIS

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Editorial information provided by DB-Engines
NameDragonfly  Xexclude from comparisonH2GIS  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionA drop-in Redis replacement that scales vertically to support millions of operations per second and terabyte sized workloads, all on a single instanceSpatial extension of H2Spatial extension of PostgreSQL
Primary database modelKey-value storeSpatial DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.41
Rank#266  Overall
#38  Key-value stores
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitegithub.com/­dragonflydb/­dragonfly
www.dragonflydb.io
www.h2gis.orgpostgis.net
Technical documentationwww.dragonflydb.io/­docswww.h2gis.org/­docs/­homepostgis.net/­documentation
DeveloperDragonflyDB team and community contributorsCNRS
Initial release202320132005
Current release1.0, March 20233.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoBSL 1.1Open Source infoLGPL 3.0Open Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaC
Server operating systemsLinux
Data schemescheme-freeyesyes
Typing infopredefined data types such as float or datestrings, hashes, lists, sets, sorted sets, bit arraysyesyes
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.nonoyes
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesyes
APIs and other access methodsProprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languagesC
C#
C++
Clojure
D
Dart
Elixir
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
Objective-C
Perl
PHP
Python
R
Ruby
Rust
Scala
Swift
Tcl
Java
Server-side scripts infoStored proceduresLuayes infobased on H2user defined functions
Triggerspublish/subscribe channels provide some trigger functionalityyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infobased on H2yes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of command blocks and scriptsACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, strict serializability by the serveryes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlPassword-based authenticationyes infobased on H2yes infobased on PostgreSQL

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More resources
DragonflyH2GISPostGIS
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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