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DBMS > Cloudant vs. Druid

System Properties Comparison Cloudant vs. Druid

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Editorial information provided by DB-Engines
NameCloudant  Xexclude from comparisonDruid  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBOpen-source analytics data store designed for OLAP queries on timeseries data
Primary database modelDocument storeRelational DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.58
Rank#70  Overall
#13  Document stores
Score1.82
Rank#122  Overall
#62  Relational DBMS
#7  Time Series DBMS
Websitecloudant.comdruid.io
Technical documentationdocs.cloudant.comdruid.io/­docs/­latest/­design/­index.html
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Metamarkets Group and contributors
Initial release20102012
License infoCommercial or Open SourcecommercialOpen Source infoApache license v2
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangJava
Server operating systemshostedLinux
OS X
Unix
Data schemeschema-freeyes infoschema-less columns are supported
Typing infopredefined data types such as float or datenoyes
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 SQLnoSQL support via Apache Calcite adapter
APIs and other access methodsRESTful HTTP/JSON APIJSON over HTTP
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Clojure
JavaScript
PHP
Python
R
Ruby
Scala
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication
Master-slave replication
yes, via HDFS, S3 or other storage engines
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleno
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyes
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.nono
User concepts infoAccess controlAccess rights for users can be defined per databaseno infoavailable via extensions

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More resources
CloudantDruid
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Recent citations in the news

How to Trigger OpenWhisk Actions on Cloudant Databases Changes
27 July 2016, DZone News

IBM to Purchase Cloudant Database as a service (DBaaS) Provider
22 March 2014, App Developer Magazine

Cloudant raises $12M Series B with help from Rackspace & Fidelity fund
14 May 2013, Boston Business Journal

Choosing among IaaS, PaaS and Database as a Service for a cloud database
12 August 2013, TechTarget

IBM launches its data warehouse service into the cloud
27 July 2015, Computerworld

provided by Google News

Imply launches with $2M to commercialize the Druid open-source data store
19 October 2015, VentureBeat

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10 May 2019, Datanami

Hadoop Creator Yahoo Finds It's Not Enough, Turns to Druid
30 July 2015, ADT Magazine

Yahoo Casts Real-Time OLAP Queries with Druid
4 August 2015, Datanami

Azure HDInsight Brings Next Generation Hadoop 3.0 and Enterprise Security to the Cloud
24 September 2018, HPCwire

provided by Google News

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