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DBMS > Druid

Druid System Properties

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Editorial information provided by DB-Engines
NameDruid
DescriptionOpen-source analytics data store designed for OLAP queries on timeseries data
Primary database modelTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.19
Rank#113  Overall
#7  Time Series DBMS
Websitedruid.io
Technical documentationdruid.io/­docs/­latest/­design/­index.html
DeveloperMetamarkets Group and contributors
Initial release2012
License infoCommercial or Open SourceOpen Source infoApache license v2
Cloud-based infoOnly available as a cloud serviceno
Implementation languageJava
Server operating systemsLinux
OS X
Unix
Data schemeyes infoschema-less columns are supported
Typing infopredefined data types such as float or dateyes
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.no
Secondary indexesyes
SQL infoSupport of SQLSQL support via Apache Calcite adapter
APIs and other access methodsJSON over HTTP
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
Server-side scripts infoStored proceduresno
Triggersno
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage engines
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlno infoavailable via extensions

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More resources
Druid
Recent citations in the news

Setting up Apache Druid in Hadoop for Data visualizations [Tutorial]
28 July 2018, Packt Hub

Q&A with Saumitra Buragohain on Hortonworks Data Platform 3.0
19 July 2018, InfoQ.com

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

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

These Are the 15 Fresh Market Stores Closing Across the US
10 July 2018, Fortune

provided by Google News

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