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DBMS > Apache Kylin vs. IBM Cloudant vs. OpenTSDB vs. Quasardb

System Properties Comparison Apache Kylin vs. IBM Cloudant vs. OpenTSDB vs. Quasardb

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Editorial information provided by DB-Engines
NameApache Kylin  Xexclude from comparisonIBM Cloudant  Xexclude from comparisonOpenTSDB  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionA distributed analytics engine for big data, providing a SQL interface and multi-dimensional analysis (OLAP) and leveraging the Hadoop stackDatabase as a Service offering based on Apache CouchDBScalable Time Series DBMS based on HBaseDistributed, high-performance timeseries database
Primary database modelRelational DBMSDocument storeTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.18
Rank#172  Overall
#79  Relational DBMS
Score2.68
Rank#106  Overall
#20  Document stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Websitekylin.apache.orgwww.ibm.com/­products/­cloudantopentsdb.netquasar.ai
Technical documentationkylin.apache.org/­docscloud.ibm.com/­docs/­Cloudantopentsdb.net/­docs/­build/­html/­index.htmldoc.quasar.ai/­master
DeveloperApache Software Foundation, originally contributed from eBay IncIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014currently maintained by Yahoo and other contributorsquasardb
Initial release2015201020112009
Current release3.1.0, July 20203.14.1, January 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoLGPLcommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaErlangJavaC++
Server operating systemsLinuxhostedLinux
Windows
BSD
Linux
OS X
Windows
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnonumeric data for metrics, strings for tagsyes infointeger and binary
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.nononono
Secondary indexesyesyesnoyes infowith tags
SQL infoSupport of SQLANSI SQL for queries (using Apache Calcite)nonoSQL-like query language
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
RESTful HTTP/JSON APIHTTP API
Telnet API
HTTP API
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Erlang
Go
Java
Python
R
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on HBaseSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factor infobased on HBaseSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyesyes
Durability infoSupport for making data persistentyesyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nononoyes infoTransient mode
User concepts infoAccess controlAccess rights for users can be defined per databasenoCryptographically strong user authentication and audit trail

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More resources
Apache KylinIBM CloudantOpenTSDBQuasardb
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