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DBMS > HarperDB vs. PostGIS vs. RocksDB

System Properties Comparison HarperDB vs. PostGIS vs. RocksDB

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Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonPostGIS  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionHarperDB takes the "stack" out of "tech stack" by combining an ultra-fast document-style data store, in-memory cache, real-time message broker, and your application components into a single distributed technology.Spatial extension of PostgreSQLEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelDocument storeSpatial DBMSKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.55
Rank#243  Overall
#38  Document stores
Score20.16
Rank#29  Overall
#1  Spatial DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Websitewww.harperdb.iopostgis.netrocksdb.org
Technical documentationdocs.harperdb.io/­docspostgis.net/­documentationgithub.com/­facebook/­rocksdb/­wiki
DeveloperHarperDBFacebook, Inc.
Initial release201720052013
Current release3.1, August 20213.4.2, February 20249.4.0, June 2024
License infoCommercial or Open Sourcecommercial infofree community edition availableOpen Source infoGPL v2.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageNode.jsCC++
Server operating systemsLinux
OS X
Linux
Data schemedynamic schemayesschema-free
Typing infopredefined data types such as float or dateyes infoJSON data typesyesno
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.noyesno
Secondary indexesyesyesno
SQL infoSupport of SQLSQL-like data manipulation statementsyesno
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
C++ API
Java API
Supported programming languages.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1user defined functionsno
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusteryes infobased on PostgreSQLhorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedyes infobased on PostgreSQLyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsACIDyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes, using LMDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights for users and rolesyes infobased on PostgreSQLno

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More resources
HarperDBPostGISRocksDB
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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Recent citations in the news

HarperDB Attracts Significant Growth Investment from Serent Capital
12 June 2024, Business Wire

Defense Innovation Unit Issues Success Memo to HarperDB for its Common Operation Database Prototype
11 September 2024, PR Newswire

DoD Successfully Deploys Commercial AI Solutions for COD Project
10 September 2024, Defense Innovation Unit

Serent Capital invests in software firm HarperDB
12 June 2024, PE Hub

HarperDB Receives Growth Investment from Serent Capital
12 June 2024, FinSMEs

provided by Google News

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18 October 2022, GlobeNewswire

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21 September 2020, Open Source For You

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31 August 2022, The Next Platform

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16 March 2024, InfoQ.com

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