DB-EnginesExtremeDB: the mission critical dbmsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Apache Druid vs. CouchDB vs. HarperDB

System Properties Comparison Apache Druid vs. CouchDB vs. HarperDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonHarperDB  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.
Primary database modelRelational DBMS
Time Series DBMS
Document storeDocument store
Secondary database modelsSpatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.20
Rank#106  Overall
#54  Relational DBMS
#7  Time Series DBMS
Score13.98
Rank#44  Overall
#7  Document stores
Score0.64
Rank#271  Overall
#40  Document stores
Websitedruid.apache.orgcouchdb.apache.orgharperdb.io
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.couchdb.org/­en/­stableharperdb.io/­developers/­documentation/­overview
DeveloperApache Software Foundation and contributorsApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerHarperDB
Initial release201220052017
Current release26.0.0, May 20233.3.2, April 20233.1, August 2021
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoApache version 2commercial infofree community edition available
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 languageJavaErlangNode.js
Server operating systemsLinux
OS X
Unix
Android
BSD
Linux
OS X
Solaris
Windows
Linux
OS X
Data schemeyes infoschema-less columns are supportedschema-freedynamic schema
Typing infopredefined data types such as float or dateyesnoyes infoJSON data types
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.nonono
Secondary indexesyesyes infovia viewsyes
SQL infoSupport of SQLSQL for queryingnoSQL-like data manipulation statements
APIs and other access methodsJDBC
RESTful HTTP/JSON API
RESTful HTTP/JSON APIJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.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
Server-side scripts infoStored proceduresnoView functions in JavaScriptCustom Functions infosince release 3.1
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedSharding infoimproved architecture with release 2.0A table resides as a whole on one (or more) nodes in a cluster
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesMulti-source replication
Source-replica replication
yes infothe nodes on which a table resides can be defined
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single document possibleAtomic execution of specific operations
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes
Durability infoSupport for making data persistentyesyesyes, using LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemAccess rights for users can be defined per databaseAccess rights for users and roles

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Apache DruidCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"HarperDB
DB-Engines blog posts

Couchbase climbs up the DB-Engines Ranking, increasing its popularity by 10% every month
2 June 2014, Matthias Gelbmann

show all

Recent citations in the news

The Basics of Event-Driven Architectures
22 September 2023, The New Stack

InfluxDB Clustered targets on-premises time-series database deployments
6 September 2023, InfoWorld

What's 'Pipeline-Free' Real-Time Data Analytics?
5 September 2023, The New Stack

Change Data Capture for Real-Time Access to Backend Databases
5 September 2023, The New Stack

Apache Druid Charms in Upper Echelons of OLAP Database ...
3 April 2023, Datanami

provided by Google News

NoSQL Databases Software Market Business Overview 2023, and ...
21 September 2023, Digital Journal

Global NoSQL Databases Software Market Report | Global Forecast From 2023 -2031
20 September 2023, Benzinga

NoSQL Software Market Navigating Growth Opportunities and ...
18 September 2023, Rouge Fox

Data Science Careers: In-Demand Skills and Job Prospects
21 September 2023, Analytics Insight

IBM Cloudant
16 June 2023, ibm.com

provided by Google News

HarperDB 4.0 integrates with open-source connectivity platform ...
17 January 2023, SiliconANGLE News

Stephen Goldberg Named 2023 Bill Daniels Ethical Leader of the ...
9 January 2023, business-news.ucdenver.edu

Steelers Cut 8 Players On Saturday Afternoon
26 August 2023, The Spun

NFL Transactions: Sunday 8/26 - NFLTradeRumors.co
26 August 2023, NFL Trade Rumors

How to Web Scrape Using Python, Snscrape & HarperDB
17 August 2022, hackernoon.com

provided by Google News

Job opportunities

Druid Data Engineer #23-00077
Abode Techzone LLC, Remote

Mid Node.js Developer Remote
AdTonos, Remote

Weekend Backend Engineer
Sporty Group, Remote

Backend Engineer
Sporty Group, Remote

GCP-Apache Druid engineer
NewEra logic, Irving, TX

CouchDB Database Administrator (DBA)
Logic Information Systems, Minnesota

Java Backend Developer
Infinity Quest, Remote

Senior Java Developer
Infinity Quest, Remote

Software Development Manager
REPS & Co., San Diego, CA

Datahub Solutions Consultant
Logic Information Systems, Minnesota

Technical Account Manager
HarperDB, Inc., Denver, CO

jobs by Indeed



Share this page

Featured Products

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Redis logo

The world’s most loved real‑time data platform.
Try free

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Datastax Astra logo

Bring all your data to Generative AI applications with vector search enabled by the most scalable
vector database available.
Try for Free

Present your product here