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DBMS > IBM Cloudant vs. KeyDB vs. OpenTSDB vs. YTsaurus

System Properties Comparison IBM Cloudant vs. KeyDB vs. OpenTSDB vs. YTsaurus

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonKeyDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsScalable Time Series DBMS based on HBaseYTsaurus is an open source platform for distributed storage and processing.
Primary database modelDocument storeKey-value storeTime Series DBMSDocument store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.68
Rank#106  Overall
#20  Document stores
Score0.71
Rank#226  Overall
#33  Key-value stores
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score0.11
Rank#340  Overall
#45  Document stores
#50  Key-value stores
Websitewww.ibm.com/­products/­cloudantgithub.com/­Snapchat/­KeyDB
keydb.dev
opentsdb.netytsaurus.tech
Technical documentationcloud.ibm.com/­docs/­Cloudantdocs.keydb.devopentsdb.net/­docs/­build/­html/­index.htmlytsaurus.tech/­docs/­en
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014EQ Alpha Technology Ltd.currently maintained by Yahoo and other contributorsYandex
Initial release2010201920112023
License infoCommercial or Open SourcecommercialOpen Source infoBSD-3Open Source infoLGPLOpen Source infoApache License, Version 2.0
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++JavaC++
Server operating systemshostedLinuxLinux
Windows
Ubuntu
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenopartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesnumeric data for metrics, strings for tagsyes
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 indexesyesyes infoby using the Redis Search moduleno
SQL infoSupport of SQLnononoYQL, an SQL-based language, is supported
APIs and other access methodsRESTful HTTP/JSON APIProprietary protocol infoRESP - REdis Serialization ProtocoHTTP API
Telnet API
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Erlang
Go
Java
Python
R
Ruby
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptLuano
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Multi-source replication
Source-replica replication
selectable replication factor infobased on HBaseyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Immediate Consistency infobased on HBase
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleOptimistic locking, atomic execution of commands blocks and scriptsnoACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyesyes
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess rights for users can be defined per databasesimple password-based access control and ACLnoAccess Control Lists

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More resources
IBM CloudantKeyDBOpenTSDBYTsaurus
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