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DBMS > OpenTSDB vs. PouchDB vs. Tkrzw

System Properties Comparison OpenTSDB vs. PouchDB vs. Tkrzw

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Editorial information provided by DB-Engines
NameOpenTSDB  Xexclude from comparisonPouchDB  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionScalable Time Series DBMS based on HBaseJavaScript DBMS with an API inspired by CouchDBA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelTime Series DBMSDocument storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score2.28
Rank#115  Overall
#21  Document stores
Score0.00
Rank#383  Overall
#60  Key-value stores
Websiteopentsdb.netpouchdb.comdbmx.net/­tkrzw
Technical documentationopentsdb.net/­docs/­build/­html/­index.htmlpouchdb.com/­guides
Developercurrently maintained by Yahoo and other contributorsApache Software FoundationMikio Hirabayashi
Initial release201120122020
Current release7.1.1, June 20190.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoLGPLOpen SourceOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptC++
Server operating systemsLinux
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
macOS
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or datenumeric data for metrics, strings for tagsnono
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 indexesnoyes infovia views
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP API
Telnet API
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesErlang
Go
Java
Python
R
Ruby
JavaScriptC++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoView functions in JavaScriptno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBaseSharding infowith a proxy-based framework, named couchdb-loungenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency infobased on HBaseEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infoby using IndexedDB, WebSQL or LevelDB as backendyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infousing specific database classes
User concepts infoAccess controlnonono

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More resources
OpenTSDBPouchDBTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
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